|
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 |
Scolecite |
1.507 |
1.523 |
0.007 |
0.007 |
2.21 |
2.29 |
1.507 |
1.513 |
1.516 |
1.520 |
1.517 |
1.523 |
http://www.geminterest.com
|
Scolecite |
1.507 |
1.525 |
0.07 |
0.012 |
2.2 |
2.3 |
1.507 |
1.514 |
|
|
1.518 |
1.525 |
Gemme, Dati per l'identificazione, P. De Stefano
et al, 1993
|
Scolecite |
1.507 |
1.523 |
0.007 |
0.007 |
2.21 |
2.29 |
1.507 |
1.513 |
1.516 |
1.520 |
1.517 |
1.523 |
Joel Arem, Color Encyclopedia of Gemstones,
1987
|
Scolecite |
1.507 |
1.523 |
0.007 |
0.007 |
2.21 |
2.29 |
1.507 |
1.513 |
1.516 |
1.520 |
1.517 |
1.523 |
Tables of Gemstone Identification, Roger Dedeyn,
Ivo Quintens, 2007
|
Scolecite |
1.509 |
1.525 |
0.01 |
0.012 |
2.2 |
2.3 |
1.509 |
1.514 |
|
|
1.519 |
1.525 |
Bestimmungstabellen für Edelsteine, Birgit
Günther, 2008
|
Scolecite |
1.512 |
1.523 |
0.011 |
0.011 |
2.2 |
2.23 |
1.512 |
1.512 |
1.518 |
1.518 |
1.523 |
1.523 |
Gemmological Tables, Ulrich Henn, 2004
|
Scolecite |
1.512 |
1.523 |
0.011 |
0.011 |
2.21 |
2.21 |
|
|
|
|
|
|
Gems, R Webster, 5th edition 1994
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
CHEMICAL DATA (%)