|
INVESTIGATIONS
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
Colour |
Location |
Info |
ne min |
ne max |
no min |
no max |
Spectrum |
UVS |
UVL |
Reference |
Quartz - Amethyst |
1.54 |
1.552 |
0.009 |
0.01 |
|
|
purple, deep purplish red |
Bouodi, Anti-Atlas, Morocco |
|
1.549 |
1.552 |
1.540 |
1.542 |
no absorption spectra |
inert |
inert |
Gems & Gemology 2015 Spring, p32-40 |
Quartz - Amethyst |
1.542 |
1.552 |
0.01 |
0.01 |
2.64 |
2.66 |
deep purple |
Bouodi Mt, Tata, Morocco |
transparent to translucent, chelsea reaction : none |
|
|
|
|
none |
inert |
inert |
Gems & Gemology 2009 spring p 62 |
Quartz - Amethyst |
1.542 |
1.552 |
0.01 |
0.01 |
2.65 |
2.65 |
intense blue-violet |
Ruhango district, Rwanda |
|
|
|
|
|
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 2017 Jun, p54-58 |
Quartz - Citrine |
1.542 |
1.552 |
0.008 |
0.008 |
2.65 |
2.65 |
reddish orange-brown |
|
20.14ct |
|
|
|
|
|
inert |
inert |
http://www.spec4gem.info 2017 |
sunset quartz |
1.543 |
1.552 |
0.009 |
0.009 |
2.65 |
2.65 |
orange |
Minas Gerais, Brazil |
|
1.552 |
1.552 |
1.543 |
1.543 |
|
|
|
Gems & Gemology 2006 winter, p 277 |
Quartz - Citrine |
1.543 |
1.552 |
0.009 |
0.009 |
2.65 |
2.65 |
yellowish orange |
|
26.57ct |
|
|
|
|
|
inert |
inert |
GIA Gem Database 33423 |
Quartz |
1.543 |
1.552 |
0.009 |
0.009 |
2.64 |
2.64 |
dyed green |
|
jade imitation, crackled quartz |
|
|
|
|
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 2014 Jun, p7 |
Quartz - Amethyst |
1.543 |
1.552 |
0.009 |
0.009 |
2.65 |
2.65 |
medium strong purple |
Sao Paulo State, Brazil |
113.79 and 114.15 ct,straight and angular colour zoning |
|
|
|
|
|
|
|
The Journal of Gemmology 2014 Vol 34, N°4, p 288-289 |
Quartz - Amethyst |
1.544 |
1.554 |
0.009 |
0.009 |
2.64 |
2.66 |
violet to blackish violet |
Grota do Coxo, Bahia, Brazil |
|
1.552 |
1.554 |
1.544 |
1.544 |
|
|
|
Revue de
Gemmologie A.F.G. 1979 N°59, Jun |
Quartz - Citrine |
1.544 |
1.553 |
0.009 |
0.009 |
|
|
|
Andongologo, Madagascar |
30ct to 385ct |
|
|
|
|
|
|
|
Gems & Gemology 2009 Summer, p145 |
Quartz - rock crystal |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.65 |
honey-coloured |
Brazil |
six-rayed star effect, 105.76ct |
|
|
|
|
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 1996 Dec, p153-154 |
Quartz - rock crystal |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.65 |
|
Sri Lanka |
1.32ct |
|
|
|
|
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 1999 Jul p106 |
Quartz - Rose quartz |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.65 |
|
Brazil |
|
|
|
|
|
|
|
|
The Journal of Gemmology 1991 Vol22, N°5, p273-286 |
Quartz synthetic hydrothermal |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.65 |
bicolour blue and green |
|
chevron like growth pattern, 42.25 ct |
|
|
|
|
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 2013 62/1-2, Jun, p49-51 |
Quartz - Citrine |
1.545 |
1.554 |
0.009 |
0.009 |
2.65 |
2.65 |
yellow |
|
|
|
|
|
|
|
inert |
inert |
GIA Gem Database 33422 |
Quartz - Amethyst |
1.545 |
1.554 |
0.009 |
0.009 |
2.65 |
2.65 |
violetish purple |
Bahia, Brazil |
23.76ct |
|
|
|
|
|
inert |
inert |
GIA Gem Database 33388 |
Quartz - Rose quartz |
1.545 |
1.554 |
0.009 |
0.009 |
2.65 |
2.65 |
orangy red |
|
29.04ct |
|
|
|
|
|
inert |
inert |
GIA Gem Database 33385 |
Quartz - Prasiolite |
1.545 |
1.553 |
0.008 |
0.008 |
2.65 |
2.65 |
greyish yellowish green |
|
6.43ct |
|
|
|
|
|
|
|
Gems & Gemology 2014 Summer,
p159-160 |
Quartz - Amethyst |
1.546 |
1.555 |
0.009 |
0.009 |
2.65 |
2.65 |
purple |
Congo (DRC) |
3.31 - 22.11 ct |
|
|
|
|
|
|
|
Gems & Gemology 2007 Spring, p64-65 |
Quartz - Citrine |
1.555 |
1.56 |
0.005 |
0.005 |
2.66 |
2.66 |
orangy yellow |
Mweza Range, Matabeleland, Zimbabwe |
8.10ct |
|
|
|
|
|
inert |
inert |
GIA Gem Database 35299 |
TABLES
Stone |
RI
min |
RI
max |
Biref
min |
Biref
max |
Dens
min |
Dens
max |
ne
min |
ne
max |
no
min |
no
max |
Reference |
Quartz (family) |
1.53 |
1.555 |
0.001 |
0.01 |
2.5 |
2.9 |
|
|
|
|
Gemmo.eu 2013 |
Quartz - Amethyst |
1.539 |
1.55 |
0.009 |
0.01 |
2.64 |
2.66 |
1.549 |
1.557 |
1.539 |
1.550 |
http://www.geminterest.com |
Quartz - Citrine |
1.539 |
1.557 |
0.009 |
0.01 |
2.65 |
2.651 |
1.549 |
1.557 |
1.539 |
1.550 |
http://www.geminterest.com |
Quartz - rock crystal |
1.539 |
1.557 |
0.008 |
0.01 |
2.65 |
2.651 |
1.549 |
1.557 |
1.539 |
1.550 |
http://www.geminterest.com |
Quartz synthetic hydrothermal |
1.54 |
1.555 |
0.008 |
0.01 |
2.62 |
2.67 |
|
|
|
|
Gemmo.eu 2013 |
Quartz - Smoky Quartz |
1.543 |
1.554 |
0.008 |
0.01 |
2.62 |
2.67 |
|
|
|
|
Gemmo.eu 2013 |
Quartz - Rose quartz |
1.543 |
1.554 |
0.008 |
0.01 |
2.62 |
2.67 |
|
|
|
|
Gemmo.eu 2013 |
Quartz |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.65 |
|
|
|
|
John Sinkakas, Gemstone and mineral data
book,1972 |
Quartz |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.67 |
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
Quartz |
1.544 |
1.553 |
0.009 |
0.009 |
2.64 |
2.68 |
1.553 |
1.553 |
1.544 |
1.544 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Quartz |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.65 |
1.553 |
1.553 |
1.544 |
1.544 |
Gemmological Tables, Ulrich Henn,
2004 |
Quartz |
1.544 |
1.553 |
0.004 |
0.009 |
2.65 |
2.91 |
|
|
|
|
http://www.gemmology.be |
Quartz |
1.544 |
1.553 |
0.009 |
0.009 |
2.55 |
2.75 |
|
|
|
|
Tabellen zur Edelstein-Bestimmung,
Pschichholz FGA, 1975 |
Quartz |
1.544 |
1.553 |
0.009 |
0.009 |
2.651 |
2.651 |
1.553 |
1.553 |
1.544 |
1.544 |
Joel Arem, Color Encyclopedia of Gemstones,
1987 |
Quartz |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.65 |
|
|
|
|
Gems, R Webster, 5th edition 1994 |
Quartz |
1.544 |
1.553 |
0.09 |
0.009 |
2.64 |
2.66 |
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
Quartz - Amethyst |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.66 |
|
|
|
|
http://www.gemmology.be |
Quartz - Citrine |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.66 |
|
|
|
|
http://www.gemmology.be |
Quartz - rock crystal |
1.544 |
1.553 |
0.004 |
0.009 |
2.65 |
2.65 |
|
|
|
|
http://www.gemmology.be |
Quartz synthetic citrine |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.66 |
|
|
|
|
http://www.gemmology.be |
Quartz synthetic hydrothermal |
1.544 |
1.553 |
0.009 |
0.009 |
2.64 |
2.66 |
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
Quartz - Amethyst |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.655 |
|
|
|
|
Gemology Tools Professional 2010 |
Quartz - ametrine |
1.544 |
1.553 |
0.009 |
0.09 |
2.65 |
2.655 |
|
|
|
|
Gemology Tools Professional 2010 |
Quartz - Citrine |
1.544 |
1.553 |
0.009 |
0.009 |
2.641 |
2.691 |
|
|
|
|
Gemology Tools Professional 2010 |
Quartz |
1.544 |
1.553 |
0.009 |
0.009 |
2.65 |
2.655 |
|
|
|
|
Gemology Tools Professional 2010 |
Quartz synthetic hydrothermal |
1.544 |
1.553 |
0.009 |
0.009 |
2.64 |
2.69 |
|
|
|
|
Gemology Tools Professional 2010 |
Quartz - rock crystal |
1.544 |
1.553 |
0.009 |
0.009 |
2.641 |
2.691 |
|
|
|
|
Gemology Tools Professional 2010 |
Quartz - Rose quartz |
1.544 |
1.553 |
0.009 |
0.009 |
2.641 |
2.691 |
|
|
|
|
Gemology Tools Professional 2010 |
CAUSE OF
COLOUR
Stone |
Colour |
Cause of
colour |
Reference |
Quartz - rock crystal |
blue |
inclusions of ajoite |
Gems & Gemology 2004 winter, p333 |
Quartz - rock crystal |
blue |
inclusions of dumortierite, tourmaline, ilmenite (the latter: of a
diameter smaller than visible wavelenghts) |
Gems & Gemology Summer 1988 |
Quartz - Amethyst |
blue |
irradiation and heat treatment of "safirita" quartz |
Revue de
Gemmologie A.F.G. 2010, Dec, p13 |
Quartz synthetic hydrothermal |
blue |
Co2+ |
https://www.dgemg.com/images/Newsletter2015/Quartz-presentation_Gem-A_2015_Schmitz.pdf |
Quartz - Smoky Quartz |
brown |
Colour center related to the Alł+ impurity |
Gems & Gemology Summer 1988 |
Quartz - Prasiolite |
green |
Fe˛+ |
Gems & Gemology Summer 1988, Gems
& Gemology Spring 1982 p40 |
aventurine quartz -
crypto-crystalline quartz |
green |
fuchsite inclusions |
Gems & Gemology Summer 1988 |
Quartz - rock crystal |
green |
inclusions of nepouite |
Gems & Gemology 2004 winter, p333 |
Quartz - rock crystal |
green |
inclusions of fuchsite |
https://www.dgemg.com/images/Newsletter-April-2018/Roter_und_grüner_Quarz_aus_Tansania.pdf |
Quartz synthetic hydrothermal |
green |
Fe˛+ |
https://www.dgemg.com/images/Newsletter2015/Quartz-presentation_Gem-A_2015_Schmitz.pdf |
quartz |
greenish yellow |
colour center |
Gems & Gemology Summer 1988 |
Quartz - rock crystal |
greyish blue |
inclusions of trolleite and lazulite |
Gems & Gemology 2011, Spring, p58 |
Quartz - Rose quartz |
pink |
Charge transfer between a substitutional Ti4+ and an interstitial Tił+;
unstable colour center O- ion bridging between substitutional phosphorous
atom; dumortierite inclusions |
Gems & Gemology Summer 1988 |
Quartz - rock crystal |
pink |
inclusions of tourmaline |
Gems & Gemology Fall 2011, p246 |
Quartz synthetic hydrothermal |
pink |
P - centre |
https://www.dgemg.com/images/Newsletter2015/Quartz-presentation_Gem-A_2015_Schmitz.pdf |
Quartz - rock crystal |
purple-red |
inclusions of piemontite |
Gemmologie, Z. Dt. Gemmol. Ges., 47(4),
1998, 193-198 |
Quartz - rock crystal |
red |
inclusions of hematite |
Gems & Gemology 2004 winter, p333 |
Quartz - rock crystal |
red |
inclusions of glimmer |
https://www.dgemg.com/images/Newsletter-April-2018/Roter_und_grüner_Quarz_aus_Tansania.pdf |
Quartz synthetic hydrothermal |
smoky brown |
Al-O - centre |
https://www.dgemg.com/images/Newsletter2015/Quartz-presentation_Gem-A_2015_Schmitz.pdf |
Quartz synthetic hydrothermal |
violet amethyst |
Fe 4+ |
https://www.dgemg.com/images/Newsletter2015/Quartz-presentation_Gem-A_2015_Schmitz.pdf |
Quartz - Amethyst |
violet to purple |
Fe |
The Australian Gemmologist 2002, Vol21,
N°8,p278 |
Quartz - Amethyst |
violet to purple |
colour center ? |
Steffen, Farbe und Lumineszenz von
Mineralien, 2000 |
Quartz - Amethyst |
violet to purple |
O˛- -> Fe4+ charge transfer due to irradiation ? |
Steffen, Farbe und Lumineszenz von
Mineralien, 2000 |
Quartz - ametrine synthetic hydrothermal |
violet+yellow |
Fe 4+ (violet) & Fe-oxides (yellow) |
https://www.dgemg.com/images/Newsletter2015/Quartz-presentation_Gem-A_2015_Schmitz.pdf |
Quartz - Milky quartz |
white |
scattering of light by inclusions larger than the visible wavelenghts |
Gems & Gemology Summer 1988 |
Quartz - Citrine |
yellow |
Fe |
The Australian Gemmologist 2002, Vol21,
N°8,p278 |
Quartz synthetic hydrothermal |
yellow lemon |
Al-O - centre |
https://www.dgemg.com/images/Newsletter2015/Quartz-presentation_Gem-A_2015_Schmitz.pdf |
Quartz - Citrine |
yellow to orange |
O˛- -> Feł+ charge transfer; various Alł+ related colour centers |
Gems & Gemology Summer 1988 |
Quartz synthetic hydrothermal |
yellow, yellow-brown citrine |
Feł+ |
https://www.dgemg.com/images/Newsletter2015/Quartz-presentation_Gem-A_2015_Schmitz.pdf |
MINERAL
INCLUSIONS
Inclusion |
Stone |
Reference |
actinolite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
aegirine |
Quartz - Smoky Quartz |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
aerinite |
Quartz - rock crystal |
http://www.mineralatlas.com |
aerinite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
ajoite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
albite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
allanite |
Quartz - rock crystal |
Rudolf Rykart, Quarz-Monographie, 1995 |
allanite-Ce |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
almandine |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
almandine |
Quartz - Rose quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
anatase |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
andradite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
anhydrite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
ankangite |
Quartz - rock crystal |
Gems & Gemology spring 2009, p71-72 |
ankerite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
anthraxolite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
apatite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
aquamarine |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
aragonite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
arsenopyrite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
aschamalmite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
asphaltite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
astrophyllite |
Quartz - rock crystal |
www.mindat.org |
axinite |
Quartz - rock crystal |
World of Stones, N°10/1996 p23 |
barite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
bertrandite |
Quartz - Smoky Quartz |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
beryl |
Quartz - Smoky Quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
beyerite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
bindheimite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
biotite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
bismuth |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
bismuthinite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
bismuthinite |
Quartz - Rose quartz |
www.geminterest.com, Gems&Gemology 2005, summer,p 181 |
bismuthinite |
Quartz - Smoky Quartz |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
bitumen |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
boulangerite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
bournonite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
brannerite |
Quartz - Smoky Quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
braunite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
brookite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
brookite |
Quartz - Smoky Quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
|
Quartz - rock crystal |
Gemmologie Jun 2000,p95-102 = goethiet |
calaverite |
Quartz - Smoky Quartz |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
calcite |
Quartz - Smoky Quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
calcite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
calderite |
Quartz - Smoky Quartz |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
cassiterite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
celadonite |
Quartz - rock crystal |
www.inwardgaze.com |
celsian |
Quartz - rock crystal |
Gems & Gemology spring 2009, p71-72 |
cervantite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
chalcedony |
Quartz - rock crystal |
Internal World of Gemstones, Gübelin, 1983 |
chalcopyrite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
chamosite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
charoite |
Quartz - rock crystal |
Gems & Gemology Fall 2002 p252 |
chlorite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
chrysocolla |
Quartz - rock crystal |
www.geminterest.com |
cinnabar |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
clinochlor |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
clinozoisite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
cobaltite |
Quartz - rock crystal |
Rudolf Rykart, Quarz-Monographie, 1995 |
cobaltite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
columbite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
connellite |
Quartz - rock crystal |
https://www.gemmo.eu/fr/quartz-a-inclusions.php |
cookeite |
Quartz - rock crystal |
Rudolf Rykart, Quarz-Monographie, 1995 |
copper |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
cosalite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
covellite |
Quartz - rock crystal |
Gems & gemology spring 2005 p 47-48 |
cristobalite |
Quartz - Amethyst |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
cuprite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
diamond ? |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
diopside |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
diopside |
Quartz - Rose quartz |
http://djraregems.com |
dioptase |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
dolomite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
dravite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
dufrenoysite |
Quartz - rock crystal |
Joel Arem, Color Encyclopedia of Gemstones, 1987 |
dumortierite |
Quartz - rock crystal |
www.geminterest.com |
dumortierite |
Quartz - Rose quartz |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
edenite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
elbaite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
emerald |
Quartz - Rose quartz |
Gemms & Gemmology fall 2008 |
emerald |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
emplectite |
Quartz - rock crystal |
www.mindat.org |
emplectite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
epididymite |
Quartz - Smoky Quartz |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
epidot |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
ferberite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
fluorite |
Quartz - Amethyst |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
fluorite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
fuchsite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
fuchsite |
aventurine quartz -
crypto-crystalline quartz |
Gemmological Tables, Ulrich Henn , GGA, 2004 |
galena |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
galenobismutite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
gersdorffite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
giessenite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
gilalite |
Quartz - rock crystal |
www.geminterest.com |
goethite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
goethite |
Quartz - Amethyst |
|
goethite |
Quartz - Smoky Quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
goethite |
Quartz - Citrine |
Internal World of Gemstones, Gübelin, 1983 |
goethite |
Quartz - Amethyst |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
gold |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
gormanite |
Quartz - rock crystal |
Zeitschrift der Deutschen Gemmologischen
Gesellschaft, 1990, Sep, p153-157 |
graphite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
grünerite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
gustavite ? |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
gypsum |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
halite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
hambergite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
hambergite |
Quartz - Smoky Quartz |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
hastingsite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
hedenbergite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
helvite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
hematite |
Quartz - rock crystal |
www.geminterest.com |
hematite |
Quartz - Amethyst |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
hematite |
Quartz - Smoky Quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
hematite |
Quartz - Citrine |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
hematite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
heyrovskyite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
hollandite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
hoornblende |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
hübnerite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
ilmenite |
Quartz - Rose quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
ilmenite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
ilmenite |
Quartz - Smoky Quartz |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
ilvaite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
indicolite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
izoklakeite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
jamesonite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
jarosite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
kaolinite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
kinoite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
kobellite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
kyanite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
lazulite |
Quartz - rock crystal |
Gemmologie, Sep 1998 p122 |
|
Quartz - rock crystal |
Gemmologie Jun 2000,p95-102 = hematite |
lepidolite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
limonite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
lithiophilite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
macfalliet |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
magnesite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
magnetite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
manganite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
manganite |
Quartz - Amethyst |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
marcasite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
meneghinite |
Quartz - rock crystal |
www.mindat.org |
microlite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
millerite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
minasgeraisite-Y |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
molybdenite |
Quartz - rock crystal |
Gemms & gemology 2004 winter p353 |
monazite |
Quartz - Rose quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
monazite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
muskovite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
nepouite |
Quartz - rock crystal |
Gems & Gemology 2004 Winter, p 333 |
niobite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
orthoclase |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
paakkonenite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
papagoite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
parasepiolite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
parisite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
pezzotaite |
Quartz - rock crystal |
Gems & Gemology Spring 2005 p65-66 |
phenakite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
piemontite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
plagioclase |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
plancheite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
pumpellyite |
Quartz - rock crystal |
Gems & Gemology 2009 Fall p212 |
pyrargyrite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
pyrite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
pyrite |
aventurine quartz -
crypto-crystalline quartz |
www.geminterest.com |
pyrite |
Quartz - Citrine |
Gems & gemology 2007 summer p166 |
pyrochlor |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
pyrolusite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
pyrophyllite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
pyrrhotite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
quartz |
Quartz - rock crystal |
Rudolf Rykart, Quarz-Monographie, 1995 |
rhodochrosite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
riebeckite |
Quartz - rock crystal |
Rudolf Rykart, Quarz-Monographie, 1995 |
ripidolite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
rutile |
Quartz - Smoky Quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
rutile |
Quartz - rock crystal |
www.geminterest.com |
scapolite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
scheelite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
schörl |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
shattuckite |
Quartz - rock crystal |
http://www.mineralatlas.com |
siderite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
sillimanite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
sillimanite |
Quartz - Rose quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
silver |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
spessartine |
Quartz - Smoky Quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
spessartine |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
spessartine |
Quartz - Rose quartz |
Gems & Gemology 2003 summer p162 |
spessartite |
Quartz - Citrine |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
sphalerite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
spodumene |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
stannite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
stefanite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
sterryite |
Quartz - rock crystal |
www.mindat.org |
stibnite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
sugilite |
Quartz - rock crystal |
http://www.mineralatlas.com |
sulphur |
Quartz - rock crystal |
Rudolf Rykart, Quarz-Monographie, 1995 |
svanbergite |
Quartz - rock crystal |
Gems & Gemology 2007 Winter |
synchisite-Ce |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
tangeite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
tantalite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
tellurium |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
tetrahedrite ? |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
thortveitite |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
titanite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
topaz |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
tourmaline |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
tremolite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
tremolite |
Quartz - Smoky Quartz |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
triphylite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
triploidite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
uvite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
violane |
Quartz - rock crystal |
http://www.thegemtrader.com |
wurtzite |
Quartz - rock crystal |
Gems & Gemology 2018, Summer p |
zinkenite |
Quartz - rock crystal |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
zircon |
Quartz - Rose quartz |
E.J. Gübelin and J.I. Koivula, Photoatlas of inclusions in Gemstones,
volume 2 (2005) |
zircon |
Quartz - rock crystal |
Jaroslav Hyrsl, Magic World: Inclusions in Quartz, 2003 |
LOCALITIES
STONE |
LOCALITIES |
REFERENCE |
|||
amethyst-Quartz |
Villa Esperança, Pau d'Arco |
250 km south of Maraba |
Para |
Brazil |
Gems & Gemology Winter 1988,
p214-228 |
amethyst-Quartz |
Maraba |
Carajas mineral province |
Para |
Brazil |
Gems & Gemology Winter 1988,
p214-228 |
amethyst-Quartz |
|
Irai |
Rio Grande do Sul |
Brazil |
Gems & Gemology Winter 1988,
p214-228 |
amethyst-Quartz |
|
Santa Maria |
Rio Grande do Sul |
Brazil |
Gems & Gemology Winter 1988,
p214-228 |
amethyst-Quartz |
Mahasolo Commune, Tsiroanomandidy
District |
Bongolava Region |
Antananarivo Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
amethyst-Quartz |
Soavinandriana Department |
Itasy Region |
Antananarivo Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
amethyst-Quartz |
|
Departementa Ambatofinandrahana, Amoron'i Mania region |
Fianarantsoa Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
amethyst-Quartz |
Tsaratanana Department |
Betsiboka Region |
Mahajanga (Majunga) Province |
Madagascar |
Gemmologie, Dez 1999, p196 |
amethyst-Quartz |
|
Boriziny |
Mahajanga (Majunga) Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
amethyst-Quartz |
|
Vatomandry |
Toamasina Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
amethyst-Quartz |
|
bouodin Mt |
Tata |
Morocco |
Gems & Gemology Spring 2009, p62 |
amethyst-Quartz |
Sarusas Mine |
Skeleton Coast Park |
Namib Desert |
Namibia |
Gems & Gemology spring 2005 p54 |
amethyst-Quartz |
|
Ngororero District |
Western Province |
Rwanda |
The Journal of Gemmology 2018 Vol 36/1 p26 |
amethyst-Quartz |
Kilosa, 80 km west of Morogoro |
|
|
Tanzania |
Gemmologie, 1997, Mar, p31 |
amethyst-Quartz |
|
Lake Manyara |
Arusha Region |
Tanzania |
Gemmologie, 1997, Mar, p31 |
amethyst-Quartz |
|
Mvuha |
Morogoro Region |
Tanzania |
Gemmologie, 1997, Mar,p31 |
amethyst-Quartz |
|
Tunduru-Songea area |
Ruvuma Region |
Tanzania |
Gemmologie, 1997, Mar,p31 |
amethyst-Quartz |
Purple Lily prospect |
San Bernardino County |
California |
USA |
Gems & Gemology, Summer 2004 p 170 |
ametrien-Quartz |
Anahi Mine (Anai) mine, La Gaiba district |
Sandoval province |
Santa Cruz |
Bolivia |
Zeitschrift der Deutschen Gemmologischen
Gesellschaft, 1994, Dez, p 117-126 |
ametrien-Quartz |
|
|
Minas Gerais |
Brazil |
http://minerals.gps.caltech.edu/AMETRINE/Index.htm |
ametrien-Quartz |
Ontario Gem Mine, Pearl Station |
Thunder Bay District |
Ontario |
Canada |
Rocks & Min : 59:266. |
ametrien-Quartz |
|
Hyderabad |
Andhra Pradesh |
India |
http://minerals.gps.caltech.edu/AMETRINE/Index.htm.dat.org |
ametrien-Quartz |
Crystal Tips No. 2 pit, Petersen Mountain |
Wascoe County |
Nevada |
USA |
Rocks & Minerals 82:415-418. |
citrine - Quartz |
|
Andongologo |
|
Madagascar |
Gems & Gemology Summer 2009, p145 |
citrine - Quartz |
|
Vakinankaratra Region (Betafo -
Antsirabé region) |
Antananarivo Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
citrine - Quartz |
|
Departementa Ambatofinandrahana, Amoron'i Mania region |
Fianarantsoa Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
citrine - Quartz |
|
Tunduru-Songea area |
Ruvuma Region |
Tanzania |
Gemmologie, 1997, Mar,p31 |
rock crystal - Quartz |
|
Mananara |
|
Madagascar |
Gemmologie, Dez 1999, p196 |
rock crystal - Quartz |
Anjozorobe |
Ivon' i Merina region |
Antananarivo Province |
Madagascar |
Gemmologie, Dez 1999, p196 |
rock crystal - Quartz |
|
Vakinankaratra Region (Betafo -
Antsirabé region) |
Antananarivo Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
rock crystal - Quartz |
Departementa Ambositra |
Amoron'i Mania region |
Fianarantsoa Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
rock crystal - Quartz |
Vondrozo Departement |
Atsimo-Atsinanana Region |
Fianarantsoa Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
rock crystal - Quartz |
|
Departementa Ambatofinandrahana, Amoron'i Mania region |
Fianarantsoa Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
rock crystal - Quartz |
Kandreho area, Maevatanana District |
Betsiboka Region |
Mahajanga (Majunga) Province |
Madagascar |
Gemmologie, Dez 1999, p196 |
rock crystal - Quartz |
|
Tunduru-Songea area |
Ruvuma Region |
Tanzania |
Gemmologie, 1997, Mar,p31 |
rose quartz |
Ribeirao do Largo (Quartzo Roseo) |
Itambé |
Bahia |
Brazil |
The Journal of Gemmology |
rose quartz |
Fazenda Conceiçao (Flamengo) |
Jaguarari |
Bahia |
Brazil |
The Journal of Gemmology |
rose quartz |
Corrego de Lodo (Fazenda Mangerona) |
Macarani |
Bahia |
Brazil |
The Journal of Gemmology |
rose quartz |
Olho d'Agua (Ilha Alegre, Lavra do Bianor) |
Itaobim |
Minas Gerais |
Brazil |
The Journal of Gemmology |
rose quartz |
Pé de Chapada deposit, Carai |
Jequitinhonha valley |
Minas Gerais |
Brazil |
The Journal of Gemmology |
rose quartz |
Corrego Piabanha (Lavra Schupp) |
Joaima |
Minas Gerais |
Brazil |
The Journal of Gemmology |
rose quartz |
Boqueirao (Zé de Tonia, Cobico, Cubicula) |
Salinas |
Minas Gerais |
Brazil |
The Journal of Gemmology |
rose quartz |
Fazenda Sao Jorge (Veredinha, Boqueirao) |
Vitoria da Conquista |
Minas Gerais |
Brazil |
The Journal of Gemmology |
rose quartz |
Alto Feio deposit |
|
Paraiba |
Brazil |
The Journal of Gemmology |
rose quartz |
Borracha (Sitio Novo) |
Nazaré da Mata |
Paraiba |
Brazil |
The Journal of Gemmology |
rose quartz |
Deobhog area |
Raipur District |
Chattisgarh (Chhattisgarh) |
India |
Gems & Gemology 2000 winter p321 |
rose quartz |
|
Mysore |
Karnataka |
India |
Gems & Gemology 2000 winter p321 |
rose quartz |
|
Salem |
Tamil Nadu |
India |
Gems & Gemology 2000 winter p321 |
rose quartz |
|
Tsiroanomandidy |
Antananarivo Province |
Madagascar |
Gems & Gemology winter 2000 p 321 |
rose quartz |
Departementa Ambositra |
Amoron'i Mania region |
Fianarantsoa Province |
Madagascar |
Gems & Gemology winter 2000 p 321 |
rose quartz |
Andilamena |
Alaotra Region |
Toamasina (Tamatave) Province |
Madagascar |
Gems & Gemology winter 2000 p 321 |
rose quartz |
Moramanga, Andilamena Department |
Alaotra Region |
Toamasina (Tamatave) Province |
Madagascar |
Gems & Gemology winter 2000 p 321 |
rose quartz |
|
Ambatondrazaka |
Toamasina (Tamatave) Province |
Madagascar |
Gems & Gemology winter 2000 p 321 |
rose quartz |
|
Alto Ligonha district |
Zambezia Province |
Mozambique |
Gems & Gemology 2000 winter p321 |
rose quartz |
Hoffnungsstrahl |
Swakopmund |
Damaraland |
Namibia |
Gems & Gemology 2000 winter p321 |
rose quartz |
Roselis |
Swakopmund |
Damaraland |
Namibia |
Gems & Gemology 2000 winter p321 |
smoky quartz |
Soavinandriana Department |
Itasy Region |
Antananarivo Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
smoky quartz |
|
Tsiroanomandidy |
Antananarivo Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
smoky quartz |
|
Vakinankaratra Region (Betafo -
Antsirabé region) |
Antananarivo Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
smoky quartz |
Vondrozo Departement |
Atsimo-Atsinanana Region |
Fianarantsoa Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
smoky quartz |
|
Departementa Ambatofinandrahana, Amoron'i Mania region |
Fianarantsoa Province |
Madagascar |
Gemmologie, Dez 1999,p196 |
smoky quartz |
Andilamena |
Alaotra Region |
Toamasina (Tamatave) Province |
Madagascar |
Gemmologie, Dez 1999, p196 |
smoky quartz |
Otjua |
Karibib |
|
Namibia |
Gems & Gemology 2002 fall p 268 |
CHEMICAL DATA
(%)