|
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 |
Bayldonite |
1.95 |
1.99 |
0.04 |
0.04 |
4.35 |
4.35 |
|
|
|
|
|
|
Bestimmungstabellen für Edelsteine, Birgit
Günther, 1981
|
Bayldonite |
1.95 |
1.99 |
0.04 |
0.04 |
4.35 |
4.35 |
|
|
|
|
|
|
Gemme, Dati per l'identificazione, P. De Stefano
et al, 1993
|
Bayldonite |
1.95 |
1.99 |
0.04 |
0.04 |
4.35 |
4.35 |
1.950 |
1.950 |
1.970 |
1.970 |
1.990 |
1.990 |
Gemmological Tables, Ulrich Henn, 2004
|
Bayldonite |
1.95 |
1.99 |
0.04 |
0.04 |
5.5 |
5.5 |
|
|
|
|
|
|
http://www.gemmology.be
|
Bayldonite |
1.95 |
1.99 |
0.04 |
0.04 |
5.5 |
5.5 |
1.950 |
1.950 |
1.970 |
1.970 |
1.990 |
1.990 |
http://www.geminterest.com
|
Bayldonite |
1.95 |
1.99 |
0.04 |
0.04 |
5.5 |
5.5 |
1.950 |
1.950 |
1.970 |
1.970 |
1.990 |
1.990 |
Joel Arem, Color Encyclopedia
of Gemstones, 1987
|
Bayldonite |
1.95 |
1.99 |
0.02 |
0.02 |
4.35 |
4.35 |
|
|
|
|
|
|
Gems, R Webster, 5th edition
1994
|
Bayldonite |
1.95 |
1.99 |
0.04 |
0.04 |
5.24 |
5.65 |
|
|
|
|
|
|
Tables of Gemstone
Identification, Roger Dedeyne, Ivo Quintens, 2007
|
Bayldonite |
1.95 |
1.99 |
0.04 |
0.04 |
5.4 |
5.5 |
|
|
|
|
|
|
Gemology Tools Professional 2010
|
Bayldonite |
1.95 |
1.99 |
0.04 |
0.04 |
5.25 |
5.65 |
|
|
|
|
|
|
Gemmo.eu 2014
|
Bayldonite |
1.97 |
1.97 |
|
|
|
|
|
|
|
|
|
|
John Sinkakas, Gemstone and
mineral data book,1972
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
CHEMICAL DATA (%)