|
INVESTIGATIONS
|
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
Colour |
Info |
Locality |
ne min |
ne max |
no min |
no max |
Spectrum |
UVS |
UVL |
Reference |
|
Synthetic zincite |
|
|
|
|
5.66 |
5.66 |
brown-orange |
Olkusz, Poland; 10 ct |
|
|
|
|
|
|
|
|
Zeitschrift der Deutschen Gemmologischen
Gesellschaft 1992 Sep, p64 |
|
Synthetic zincite |
|
|
|
|
5.66 |
5.7 |
reddish orange to yellow to greenish yellow |
|
|
|
|
|
|
bands in the blue to violet regions |
|
|
Gems & Gemology 2017 Spring, p82-89 |
|
Synthetic zincite |
|
|
|
|
5.68 |
5.7 |
medium-toned yellow through orange and dark orangy red, yellowish green |
|
|
|
|
|
|
|
moderate yellow to orange or inert |
moderate to very weak yellow to yellow-orange |
Gems & Gemology 1995 Spring, p71 |
|
Synthetic zincite |
|
|
|
|
5.7 |
5.7 |
medium light yellow, medium orange, medium dark reddish orange |
transparent; chelsea : yellow stone, no reaction, orange stone: weak
pink, reddish-orange stone: moderate red |
|
|
|
|
|
weak general absorption to about 530 |
inert to very weak to moderate, yellow to orange (UVL>UVS) |
very weak to moderte yellow to yellow-orange (UVL>UVS) |
The Journal of Gemmology 1995 Vol 24, N°8, p563-568 |
|
Synthetic zincite |
2 |
2 |
|
|
5.71 |
5.71 |
orange |
|
35.2ct, RI gemmeter |
|
|
|
|
|
brown-red |
brown-red |
ACAM lab
1925 |
|
Zincite |
|
|
|
|
5.72 |
5.72 |
red |
Franklin District, Sussex County, New Jersey, USA |
7.36ct, translucent |
|
|
|
|
broad absorption below 560nm |
inert |
inert |
GIA Gem Database 35204 |
|
Zincite |
|
|
|
|
5.78 |
5.78 |
orangy yellow |
Poland |
16.05ct, translucent |
|
|
|
|
broad absorption below 425nm |
strong yellowish green |
very strong yellowish green |
GIA Gem Database 35520 |
|
Synthetic zincite |
|
|
|
|
|
|
red, orange, yellow, green, brown, near colourless |
from Olawa Foundry, Poland |
|
|
|
|
|
|
|
yellowish green to white |
The Journal of Gemmology 2007 N°5-6, p257-267 |
TABLES
|
Stone |
RI
min |
RI
max |
Biref
min |
Biref
max |
Dens
min |
Dens
max |
ne
min |
ne
max |
no
min |
no
max |
Reference |
|
Synthetic zincite |
2.01 |
2.03 |
|
|
5.43 |
5.7 |
|
|
|
|
Joel Arem, Color Encyclopedia of Gemstones,
1987 |
|
Synthetic zincite |
2.01 |
2.03 |
0.016 |
0.02 |
5.4 |
5.7 |
2.028 |
2.030 |
2.010 |
2.013 |
http://www.geminterest.com |
|
Synthetic zincite |
2.01 |
2.03 |
0.02 |
0.02 |
5.4 |
5.7 |
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 2008 |
|
Synthetic zincite |
2.01 |
2.03 |
0.015 |
0.018 |
5.6 |
5.7 |
|
|
|
|
Gemmo.eu
|
|
Zincite |
2.012 |
2.03 |
0.015 |
0.017 |
5.65 |
5.7 |
|
|
|
|
Gemmo.eu
|
|
Synthetic zincite |
2.013 |
2.029 |
0.016 |
0.016 |
5.4 |
5.7 |
2.029 |
2.029 |
2.013 |
2.013 |
Gemmological Tables, Ulrich Henn,
2004 |
|
Synthetic zincite |
2.013 |
2.029 |
0.016 |
0.016 |
5.43 |
5.7 |
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
|
Zincite |
2.013 |
2.029 |
0.016 |
0.016 |
5.68 |
5.68 |
2.029 |
2.029 |
2.013 |
2.013 |
Joel Arem, Color Encyclopedia of Gemstones,
1987 |
|
Zincite |
2.013 |
2.029 |
0.016 |
0.016 |
5.64 |
5.68 |
|
|
|
|
John Sinkakas, Gemstone and mineral data
book,1972 |
|
Zincite |
2.013 |
2.029 |
0.016 |
0.016 |
5.7 |
5.7 |
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
|
Zincite |
2.013 |
2.029 |
0.016 |
0.016 |
5.33 |
5.7 |
2.029 |
2.029 |
2.013 |
2.013 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
|
Zincite |
2.013 |
2.029 |
0.016 |
0.016 |
5.4 |
5.7 |
2.029 |
2.029 |
2.013 |
2.013 |
Gemmological Tables, Ulrich Henn,
2004 |
|
Zincite |
2.013 |
2.029 |
0.016 |
0.016 |
5.66 |
5.68 |
|
|
|
|
http://www.gemmology.be |
|
Zincite |
2.013 |
2.029 |
0.016 |
0.016 |
5.66 |
5.66 |
|
|
|
|
Tabellen zur Edelstein-Bestimmung,
Pschichholz FGA, 1975 |
|
Zincite |
2.013 |
2.029 |
0.016 |
0.016 |
5.68 |
5.68 |
2.029 |
2.029 |
2.013 |
2.013 |
http://www.geminterest.com |
|
Zincite |
2.013 |
2.029 |
0.016 |
0.016 |
5.66 |
5.66 |
|
|
|
|
Gems, R Webster, 5th edition 1994 |
|
Zincite |
2.013 |
2.029 |
0.016 |
0.016 |
5.43 |
5.7 |
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
|
Zincite |
2.013 |
2.03 |
0.016 |
0.016 |
5.43 |
5.7 |
|
|
|
|
Gemology Tools Professional 2010 |
|
Synthetic zincite |
|
|
|
|
5.68 |
5.68 |
|
|
|
|
John Sinkakas, Gemstone and mineral data
book,1972 |
CAUSE OF
COLOUR
|
Stone |
Colour |
Cause
of colour |
Reference |
|
Zincite |
green |
a result of incorporation of unknown impurities or
lattice defects |
The Journal of Gemmology
2007,30,5/6,257-267 |
|
Zincite |
red, orange |
Mn²+ in tetrahedral coordination and additionally
influenced by some Fe³+ content |
The Journal of Gemmology
2007,30,5/6,257-267 |
MINERAL
INCLUSIONS
LOCALITIES
CHEMICAL DATA
(%)