|
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 |
Gaylussite |
1.44 |
1.523 |
0.08 |
0.08 |
1.98 |
1.99 |
1.440 |
1.443 |
1.514 |
1.517 |
1.520 |
1.523 |
Gemmological Tables, Ulrich Henn, 2004
|
Gaylussite |
1.44 |
1.523 |
0.08 |
0.08 |
1.98 |
1.98 |
1.440 |
1.443 |
1.514 |
1.517 |
1.520 |
1.523 |
Gems, R Webster, 5th edition 1994
|
Gaylussite |
1.443 |
1.523 |
0.08 |
0.08 |
1.99 |
1.99 |
|
|
|
|
|
|
Bestimmungstabellen für Edelsteine, Birgit
Günther, 1981
|
Gaylussite |
1.443 |
1.523 |
0.077 |
0.08 |
1.99 |
1.99 |
1.443 |
1.445 |
|
|
1.522 |
1.523 |
Gemme, Dati per l'identificazione, P. De Stefano
et al, 1993
|
Gaylussite |
1.444 |
1.523 |
0.077 |
0.079 |
1.99 |
2 |
|
|
|
|
|
|
http://www.gemmology.be
|
Gaylussite |
1.444 |
1.523 |
0.077 |
0.079 |
1.99 |
2.01 |
|
|
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyn,
Ivo Quintens, 2007
|
Gaylussite |
1.445 |
1.522 |
0.077 |
0.077 |
1.995 |
1.995 |
1.445 |
1.445 |
1.516 |
1.516 |
1.522 |
1.522 |
Joel Arem, Color Encyclopedia of Gemstones,
1987
|
Gaylussite |
1.445 |
1.522 |
0.077 |
0.077 |
1.99 |
2 |
1.445 |
1.445 |
1.516 |
1.516 |
1.522 |
1.522 |
http://www.geminterest.com
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
CHEMICAL DATA