|
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 |
Roselite |
1.694 |
1.719 |
0.025 |
0.025 |
3.5 |
3.5 |
|
|
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyn,
Ivo Quintens, 2007
|
CAUSE OF COLOUR
Stone |
Colour |
Cause of
colour |
Reference |
Roselite |
pink |
Co²+ in octahedral
coordination |
Alain Abréal, juillet
2002 |
MINERAL INCLUSIONS
LOCALITIES
CHEMICAL DATA (%)