|
INVESTIGATIONS
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
Colour |
Locality |
Info |
nx min |
nx max |
ny min |
ny max |
nz min |
nz max |
Spectrum |
UVS |
UVL |
Reference |
Jadeite |
1.64 |
1.668 |
0.012 |
0.02 |
3.23 |
3.52 |
green |
Vizcaino Peninsula, Sierra San Andres, Baja California, Mexico |
|
1.640 |
1.652 |
1.643 |
1.645 |
1.654 |
1.668 |
|
inert or white |
pale green |
The Journal of Gemmology 2010 Vol 32, N°1-4, p1-13 |
Jadeite |
1.65 |
1.68 |
|
|
3.27 |
3.34 |
bluish green |
Montagua Valley, Guatemala |
described as "Olmec Imperial" and "New Blue";
translucent up to a thickness of 5mm |
|
|
|
|
|
|
|
|
|
Gems & Gemology 2002 winter p353 |
Jadeite |
1.65 |
1.67 |
|
|
3.2 |
3.34 |
very dark green, bluish green, white, green |
Guatemala |
granular appearance with eye visible crystals |
|
|
|
|
|
|
437 nm (except in black-green), green stones: Cr lines |
|
|
Gems & Gemology 1990 summer p134-141 |
Jadeite |
1.65 |
1.67 |
|
|
3.25 |
3.4 |
green, white, brownish orange, lavender; "moss in snow" |
Myanmar |
|
|
|
|
|
|
|
437nm, Cr band common in green |
|
|
Gems & Gemology 1990 summer p134-141 |
Jadeite |
1.65 |
1.66 |
|
|
3.1 |
3.35 |
green, lavender |
Itoigawa and Tottori, Japan |
spot RI |
|
|
|
|
|
|
lines at 690, 650, and 630
nm, green jadeite sharp line at 437
nm; lavender jadeite weak bands at 530
and 600 nm and a narrow band at 437 nm. |
inert |
green and blue: inert; lavender: reddish |
Gems & Gemology 2017 Spring, p48-67 |
Synthetic jadeite |
1.652 |
1.655 |
|
|
3.22 |
3.31 |
medium light green to dark greyish green, medium and dark purple |
|
produced by General Electric, hardness : 7.5 - 8, cabochons up to 2.46ct |
|
|
|
|
|
|
no 437 nm line |
|
|
Gems & Gemology 1987 Spring p27-35 |
Jadeite |
1.653 |
1.665 |
|
|
3.325 |
3.333 |
black (greyish-black, "black-skin-chicken"); cause of colour :
dust-like and opaque microgranular material |
|
compact fine- to coarse-grained aggregate of xx in an interlocking
granular structure; opaque to translucent, hardness 7 |
|
|
|
|
|
|
|
inert |
inert |
The Journal of Gemmology 1999 Vol 26, N°7, p417-424 |
Jadeite |
1.654 |
1.67 |
0.016 |
0.016 |
3.34 |
3.34 |
green |
|
|
|
|
|
|
|
|
437nm line |
|
|
ACAM labo |
Jadeite |
1.655 |
1.67 |
|
|
3.29 |
3.29 |
green and white |
Russia |
|
|
|
|
|
|
|
typical green jadeite spectrum |
very weak to weak mottled blue-white |
moderate mottled blue-white |
Gems & Gemology 1996 Summer, p131 |
Jadeite |
1.66 |
1.66 |
|
|
3.3 |
3.31 |
bright medium green |
Longkin, Myanmar (exploitation from
1997) |
"Hte long sein"variety, poor transparency; chelsea filter:
green, |
|
|
|
|
|
|
|
inert |
inert |
The Journal of Gemmology 2001 Vol 27, N°6,p321-327 |
Jadeite |
1.66 |
1.66 |
|
|
|
|
mottled brownish green |
|
carved lid to an urn, nephrite-like appearance |
|
|
|
|
|
|
437nm line, Cr-lines |
|
|
Gems & Gemology 1997 Fall, p215 |
Jadeite |
1.66 |
1.66 |
|
|
|
|
green and white |
|
polymer impregnation, 8.25 ct variegated green and white carving, spot RI |
|
|
|
|
|
|
Cr-lines |
inert |
inert |
Gems & Gemology 1997 Fall, p214-215 |
Jadeite |
|
|
|
|
|
|
green |
|
carving, dyed, impregnated, assembled |
|
|
|
|
|
|
437nm band, broader band from 630
to 670 nm (dye) |
|
|
Gems & Gemology 2002 Spring, p82-83 |
Jadeite |
1.66 |
1.67 |
0 |
0 |
3.2 |
3.4 |
whitish, pale green, green |
Levoketchpel deposit, Polar Urals, Russia |
|
|
|
|
|
|
|
437nm line |
|
|
Gems & Gemology 2019 Summer, p 280 |
Jadeite |
1.66 |
1.66 |
0 |
0 |
3.39 |
3.39 |
violet, opaque |
Myanmar |
9.72ct, cabochon, spot RI |
|
|
|
|
|
|
line at 442nm |
inert |
inert |
GIA Gem Database 34644 |
TABLES
Stone |
RI
min |
RI
max |
Biref
min |
Biref
max |
Dens
min |
Dens
max |
nx
min |
nx max |
ny
min |
ny
max |
nz
min |
nz
max |
Reference |
Jadeite |
1.64 |
1.673 |
0.012 |
0.02 |
3.21 |
3.36 |
1.640 |
1.658 |
1.645 |
1.663 |
1.652 |
1.673 |
http://www.geminterest.com |
Jadeite |
1.64 |
1.665 |
0.012 |
0.02 |
3.25 |
3.38 |
1.640 |
1.660 |
|
|
1.652 |
1.665 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Jadeite |
1.64 |
1.667 |
0.012 |
0.02 |
3.25 |
3.36 |
|
|
|
|
|
|
http://www.gemmology.be |
Jadeite |
1.64 |
1.667 |
0.012 |
0.02 |
3.25 |
3.36 |
1.640 |
1.640 |
1.645 |
1.645 |
1.652 |
1.667 |
Joel Arem, Color Encyclopedia of Gemstones,
1987 |
Jadeite |
1.64 |
1.667 |
0.012 |
0.02 |
3.25 |
3.36 |
1.640 |
1.640 |
1.645 |
1.645 |
1.652 |
1.667 |
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
Jadeite |
1.64 |
1.688 |
|
|
3.25 |
3.4 |
|
|
|
|
|
|
Gemology Tools Professional 2010 |
Jadeite |
1.65 |
1.666 |
0.01 |
0.016 |
3.3 |
3.36 |
|
|
|
|
|
|
Gemmo.eu 2013 |
Jadeite |
1.654 |
1.667 |
0.013 |
0.013 |
3.3 |
3.38 |
1.654 |
1.654 |
1.659 |
1.659 |
1.667 |
1.667 |
Gemmological Tables, Ulrich Henn,
2004 |
Jadeite |
1.654 |
1.667 |
0.013 |
0.013 |
3.3 |
3.36 |
|
|
|
|
|
|
Gems, R Webster, 5th edition 1994 |
Jadeite |
1.66 |
1.67 |
|
|
3.3 |
3.5 |
|
|
|
|
|
|
John Sinkakas, Gemstone and mineral data
book,1972 |
Jadeite |
1.66 |
1.688 |
0.02 |
0.02 |
3.3 |
3.38 |
|
|
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 2008 |
Jadeite |
1.66 |
1.68 |
0.02 |
0.02 |
3.3 |
3.4 |
|
|
|
|
|
|
Tabellen zur Edelstein-Bestimmung,
Pschichholz FGA, 1975 |
CAUSE OF
COLOUR
Stone |
Colour |
Cause
of colour |
Reference |
Jadeite |
black |
dust-like and opaque microgranular material. |
The Journal of Gemmology 1999, Vol 26, N°7, p422-423 |
Jadeite |
emerald green |
Cr³+ in octahedral coordination |
Gems & Gemology Summer 1988 |
Jadeite |
violet |
Fe²+-O-Fe³+ charge transfer; synthetic is coloured
by Mn³+ |
Gems & Gemology Summer 1988 |
Jadeite |
yellowish green |
Fe³+ in octahedral coordination |
Gems & Gemology Summer 1988 |
MINERAL
INCLUSIONS
Inclusion |
Stone |
Reference |
chromite |
Jadeite |
The Journal of the Gemmological Association of
Hongkong Vol XVIII 1995, p8 |
copper |
Jadeite |
Gems & gemology spring 1996 p46 |
pyrite |
Jadeite |
Gems & gemology summer 1990 p134-141 |
vesuvianite |
Jadeite |
Gems & gemology summer 2007 p160 |
zircon |
Jadeite |
Gems & gemology spring 1998, p45 |
LOCALITIES
STONE |
LOCALITIES |
REFERENCE |
|||
Jadeite |
|
Sierra del Convento |
Guantanamo Province |
Cuba |
Garcia-Casco, A. et al (2009) Contributions to
Mineralogy and Petrology, 158, #1, 1-16. |
Jadeite |
Manzanal, in the Motagua Valley |
Sierra de las Minas |
|
Guatemala |
Gems & Gemology 2002 winter p353 |
Jadeite |
Hime River (Himekawa), Itoigawa, Niigata Prefecture |
Chubu region |
Honshu Island |
Japan |
Gems & Gemology Fall 2010, p210 |
Jadeite |
Kotaki River, Itoigawa, Niigata Prefecture |
Chubu Region |
Honshu Island |
Japan |
Lapis 2003(1), 50 |
Jadeite |
Sierra San Andres, Vizcaino Peninsula |
Mulegé |
Baja California Sur |
Mexico |
The Journal of Gemmology (2010), Vol. 32, No. 1–4. |
Jadeite |
Hpakan region |
Myitkyina-Mogaung district |
Kachin State |
Myanmar |
Minerals and their Localities, Jan H.Bernhard and
Jaroslav Hyrsi, 2004 |
Jadeite |
Lonkin, Hpakan region |
Myitkyina-Mogaung district |
Kachin State |
Myanmar |
The Journal of Gemmology 2001 Vol 27, N°6,p321-327 |
Jadeite |
Khamti (Hkamti) region |
Sagaing Division |
Mandalay |
Myanmar |
Gems & Gemology Fall 2010, p210 |
Jadeite |
Borusskoe (Kashkarakskoe) deposit,
Western Sayan range, Sayan Mts |
Krasnoyarsk Territory (Krasnoyarsk Kray;
Krasnoyarskii Krai) |
Eastern-Siberian Region |
Russia |
Gems & Gemology Fall 2010, p210 |
Jadeite |
Vitim River, Chitinskaya Oblast' |
Transbaikalia (Zabaykalye) |
Eastern-Siberian Region |
Russia |
Gems & Gemology Fall 2010, p210 |
Jadeite |
|
Kechpel |
Oeral |
Russia |
MinRec 32:42 |
Jadeite |
Orhaneli, Tavsanlı Zone |
Bursa Province |
Marmara Region |
Turkey |
Okay, A.I. (2002): Journal of Metamorphic Geology
20, 757-768. |
CHEMICAL DATA
Stone |
Colour |
Locality |
Reference |
SiO2 |
Al2O3 |
MnO |
MgO |
FeO |
TiO2 |
CaO |
Na2O |
Cr2O3 |
ZnO |
Fe2O3 |
K2O |
H2O |
NiO |
Ce2O3 |
SO3 |
Nb2O5 |
|
Jadeite |
black |
|
|
The Journal of Gemmology 1999, Vol26, N°7, p421 |
58.099 |
20.32 |
0.123 |
2.825 |
|
0.046 |
4.267 |
12.803 |
|
0.021 |
2.128 |
0.009 |
|
|
0.017 |
0.014 |
0.015 |
Jadeite |
black |
|
|
The Journal of Gemmology 1999, Vol26, N°7, p421 |
59.446 |
25.205 |
0.031 |
0.046 |
|
|
0.104 |
15.281 |
|
|
0.033 |
|
|
|
|
0.009 |
|
Jadeite |
black |
|
|
The Journal of Gemmology 1999, Vol26, N°7, p421 |
58.248 |
18.194 |
0.06 |
4.655 |
|
0.034 |
6.418 |
11.503 |
|
0.004 |
1.598 |
0.003 |
|
|
|
0.006 |
|
Jadeite |
black |
|
|
The Journal of Gemmology 1999, Vol26, N°7, p421 |
57.474 |
13.929 |
0.046 |
7.33 |
|
0.082 |
10.261 |
9.274 |
|
0.016 |
2.464 |
0.029 |
|
0.017 |
|
0.019 |
|
Jadeite |
black |
|
|
The Journal of Gemmology 1999, Vol26, N°7, p421 |
57.214 |
13.092 |
0.117 |
8.558 |
|
0.125 |
11.931 |
8.364 |
|
0.075 |
1.912 |
0.018 |
|
0.007 |
|
0.016 |
0.004 |
Jadeite |
black |
|
|
The Journal of Gemmology 1999, Vol26, N°7, p421 |
56.498 |
13.107 |
0.13 |
8.264 |
|
0.046 |
11.557 |
8.415 |
|
0.052 |
2.83 |
0.006 |
|
|
0.02 |
0.013 |
|
Jadeite |
black |
|
|
The Journal of Gemmology 1999, Vol26, N°7, p421 |
58.656 |
22.606 |
0.041 |
1.514 |
0.361 |
|
2.364 |
13.803 |
|
0.021 |
0.55 |
|
|
|
0.023 |
0.01 |
|
Jadeite |
black |
|
|
The Journal of Gemmology 1999, Vol26, N°7, p421 |
59.476 |
23.425 |
0.044 |
0.894 |
0.381 |
|
1.254 |
14.554 |
|
|
0.579 |
0.003 |
|
|
0.01 |
|
0.004 |
Jadeite |
black |
|
|
The Journal of Gemmology 1999, Vol26, N°7, p421 |
58.989 |
22.647 |
0.058 |
1.595 |
|
|
2.323 |
14.043 |
|
0.021 |
1.678 |
0.017 |
|
|
0.016 |
0.003 |
0.014 |
Jadeite |
|
Manzanal |
Guatemala |
Gems & Gemology 1990 summer p 140 |
58.21 |
23.72 |
0.04 |
1.2 |
0.24 |
0.04 |
1.79 |
13.07 |
|
|
0.91 |
0.18 |
0.46 |
|
|
|
|
Jadeite |
pea green |
Manzanal |
Guatemala |
Gems & Gemology 1990 summer p 140 |
58.12 |
20.32 |
0.07 |
2.16 |
0.77 |
0.31 |
3.13 |
12.43 |
|
|
2.49 |
0.1 |
0.16 |
|
|
|
|
Jadeite |
white |
Itoiga |
Japan |
Gems & Gemology 2017 Spring p62-63 |
58.82 |
24.3 |
|
0.12 |
0.44 |
0.03 |
0.26 |
15.49 |
|
|
|
|
|
|
|
|
|
Jadeite |
light green |
Chauk-oo Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
59.5 |
23.66 |
|
0.29 |
|
|
1.21 |
12.93 |
0.23 |
|
1.11 |
|
|
|
|
|
|
Jadeite |
light yellow |
Chauk-oo Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
59.65 |
23.16 |
|
0.33 |
|
|
1.22 |
12.93 |
0.21 |
|
1.32 |
|
|
|
|
|
|
Jadeite |
light yellow |
Chauk-oo Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
59.55 |
23.58 |
|
0.36 |
|
|
1.22 |
13.28 |
0.2 |
|
1.06 |
|
|
|
|
|
|
Jadeite |
green |
Ka-tone-yat Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
58.64 |
17.51 |
|
3.17 |
|
|
5.4 |
11.65 |
0.12 |
|
1.97 |
|
|
|
|
|
|
Jadeite |
green |
Longkin |
Myanmar |
The Journal of Gemmology 2001, Vol27, N°6, p326 |
57.99 |
20.73 |
0.04 |
2.33 |
1.14 |
0.23 |
2.79 |
13.71 |
1.2 |
|
|
0.03 |
|
|
|
|
|
Jadeite |
lavender |
Mar-sar Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
59.8 |
24.18 |
|
0.01 |
|
|
0.33 |
13.44 |
0.22 |
|
0.93 |
|
|
|
|
|
|
Jadeite |
brownish yellow |
Maw-maung Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
59.79 |
22.8 |
|
0.6 |
|
|
1.47 |
12.56 |
0.1 |
|
1.13 |
|
|
|
|
|
|
Jadeite |
brownish yellow |
Met-lin Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
58.95 |
22.16 |
|
0.85 |
|
|
1.9 |
12.99 |
1.16 |
|
1.4 |
|
|
|
|
|
|
Jadeite |
light yellowish green |
Nant Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
59.67 |
23.04 |
|
0.05 |
|
|
0.72 |
15.52 |
|
|
0.98 |
|
|
|
|
|
|
Jadeite |
green |
Nant Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
56.14 |
15.34 |
|
9.88 |
|
|
10.84 |
5.66 |
0.7 |
|
1.42 |
|
|
|
|
|
|
Jadeite |
light greenish yellow |
Nant Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
59.79 |
23.11 |
|
0.75 |
|
|
1.71 |
12.48 |
0.03 |
|
1.37 |
|
|
|
|
|
|
Jadeite |
light greenish yellow |
Phakan-gyi Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
59.42 |
22.56 |
|
0.66 |
|
|
1.79 |
12.35 |
0.17 |
|
1.74 |
|
|
|
|
|
|
Jadeite |
light greenish yellow |
Phakan-gyi Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
59.08 |
22.24 |
|
0.8 |
|
|
1.82 |
12.86 |
0.28 |
|
1.44 |
|
|
|
|
|
|
Jadeite |
light green |
Tar-ma-khan Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
58.67 |
20.67 |
|
1.72 |
|
|
2.59 |
12.61 |
0.17 |
|
2.34 |
|
|
|
|
|
|
Jadeite |
bluish |
Tar-ma-khan Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
59.16 |
23.79 |
|
0.26 |
|
|
1.1 |
13.04 |
0.19 |
|
1.12 |
|
|
|
|
|
|
Jadeite |
white |
Whay-khar Maw |
Myanmar |
The Journal of Gemmology 1994, Vol24, N°4, p271 |
59.45 |
23.27 |
|
0.5 |
|
|
1.32 |
13.02 |
0.03 |
|
1.12 |
|
|
|
|
|
|