|
INVESTIGATIONS
Stone |
RI
min |
RI
max |
Dens
min |
Dens
max |
Colour |
Location |
Info
|
Spectrum |
UVS |
UVL |
Reference |
GGG, artificial product |
1.917 |
1.917 |
7.12 |
7.12 |
colourless |
|
|
|
|
|
ACAM lab
1551 |
GGG, artificial product |
1.97 |
1.97 |
|
|
|
|
dispersion 0.045 |
|
|
|
The Journal of Gemmology 1980 Vol17, N°3, p148 |
GGG, artificial product |
2.01 |
2.01 |
7.15 |
7.15 |
colourless |
|
0.94ct, RI reading gemmeter |
|
|
|
ACAM Lab
4059 |
GGG, artificial product |
2.02 |
2.02 |
7.1 |
7.1 |
pinkish red |
|
33.7 ct |
|
strong pinkish red |
strong pinkish red |
ACAM lab
3839 |
GGG, artificial product |
|
|
7.11 |
7.14 |
intense pink, pink, light pink, almandine red,
green-blue, aquamarine blue, sky blue, intense blue, raspberry, lilac |
made in Russia |
chelsea : red and blue stones : red |
sharp lines and strong bands depending on colour |
|
|
Gems & Gemology 1997 Fall, p228 |
TABLES
Stone |
RI
min |
RI
max |
Dens
min |
Dens
max |
Reference |
GGG, artificial product |
1.92 |
2.03 |
7.02 |
7.09 |
Joel Arem, Color Encyclopedia of Gemstones,
1987 |
GGG, artificial product |
1.92 |
2.03 |
7.02 |
7.09 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
GGG, artificial product |
1.92 |
2.03 |
7.02 |
7.1 |
http://www.geminterest.com |
GGG, artificial product |
1.92 |
2.03 |
7.05 |
7.05 |
Gems, R Webster, 5th edition 1994 |
GGG, artificial product |
1.92 |
2.03 |
7.02 |
7.09 |
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
GGG, artificial product |
1.95 |
2.03 |
6.8 |
7.2 |
Gemmo.eu
|
GGG, artificial product |
1.97 |
2.03 |
7.05 |
7.05 |
Gemmological Tables, Ulrich Henn,
2004 |
GGG, artificial product |
1.97 |
2.03 |
6.95 |
7.09 |
Gemology Tools Professional 2010 |
GGG, artificial product |
2 |
2 |
7.05 |
7.05 |
Tabellen zur Edelstein-Bestimmung,
Pschichholz FGA, 1975 |
GGG, artificial product |
2.03 |
2.03 |
7.05 |
7.05 |
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
GGG, artificial product |
2.03 |
2.035 |
6.8 |
7.7 |
http://www.gemmology.be |
CAUSE OF
COLOUR
CHEMICAL DATA