|
INVESTIGATIONS
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 |
Cryolite |
1.335 |
1.339 |
0.001 |
0.001 |
2.95 |
2.97 |
1.335 |
1.338 |
1.335 |
1.338 |
1.336 |
1.339 |
http://www.geminterest.com |
Cryolite |
1.338 |
1.339 |
0.001 |
0.001 |
2.97 |
2.97 |
1.338 |
1.338 |
1.338 |
1.338 |
1.339 |
1.339 |
Gemmological Tables, Ulrich Henn, 2004
|
Cryolite |
1.338 |
1.339 |
0.001 |
0.001 |
2.97 |
2.97 |
|
|
|
|
|
|
http://www.gemmology.be
|
Cryolite |
1.338 |
1.339 |
0.001 |
0.001 |
2.97 |
2.97 |
1.338 |
1.338 |
1.338 |
1.338 |
1.339 |
1.339 |
Joel Arem, Color Encyclopedia of Gemstones,
1987
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
CHEMICAL DATA