|
INVESTIGATIONS
Stone |
RI
min |
RI
max |
Biref
min |
Biref
max |
Dens
min |
Dens
max |
Colour |
Locality |
Info |
nx
min |
nx
max |
ny
min |
ny
max |
nz
min |
nz
max |
Spectrum |
UVS |
UVL |
Reference |
olmiite |
1.648 |
1.671 |
0.023 |
0.023 |
2.95 |
2.95 |
orange |
|
2.45ct, semitransparent |
|
|
|
|
|
|
|
very weak orangy red |
very weak orangy red |
Gems & Gemology 2016 Spring, p 68-69 |
TABLES
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES
CHEMICAL DATA
(%)