|
INVESTIGATIONS
TABLES
|
Stone |
RI min |
RI max |
Dens min |
Dens max |
Reference |
|
YIG, artificial product
|
1.92 |
2.03 |
5.11 |
5.21 |
http://www.geminterest.com
|
|
YIG, artificial product
|
1.938 |
1.955 |
5.33 |
5.36 |
Gemme, Dati per l'identificazione, P. De Stefano
et al, 1993
|
|
YIG, artificial product
|
1.938 |
1.955 |
5.33 |
5.36 |
Tables of Gemstone Identification, Roger Dedeyn,
Ivo Quintens, 2007
|
|
YIG, artificial product
|
|
|
6 |
6 |
Gemmological Tables, Ulrich Henn, 2004
|
CAUSE OF COLOUR
CHEMICAL DATA (%)