|
INVESTIGATIONS
|
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
Colour |
Location |
Info |
ne min |
ne max |
no min |
no max |
Spectrum |
UVS |
UVL |
Reference |
|
Boleite |
2 |
|
|
|
5,06 |
5,06 |
dark blue |
|
0,77 ct |
|
|
|
|
|
|
|
https://www.dgemg.com/images/PDF-Newsletter/Newsletter2_2025
2025 2 |
TABLES
|
Stone |
RI
min |
RI
max |
Dens
min |
Dens
max |
Reference |
|
Boleite |
2.03 |
2.05 |
5.05 |
5.05 |
http://www.geminterest.com |
|
Boleite |
2.03 |
2.05 |
5.05 |
5.05 |
http://www.gemmology.be |
|
Boleite |
2.03 |
2.05 |
5.05 |
5.05 |
Joel Arem, Color
Encyclopedia of Gemstones, 1987 |
|
Boleite |
2.03 |
2.05 |
5.05 |
5.05 |
Gems, R Webster,
5th edition 1994 |
|
Boleite |
2.03 |
2.05 |
4.8 |
5.1 |
Tables of
Gemstone Identification, Roger Dedeyn, Ivo Quintens, 2007 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES
CHEMICAL DATA