|
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 |
|
anthophyllite |
1.63 |
1.65 |
0.02 |
0.02 |
3.15 |
3.15 |
slightly reddish
brown |
|
cabochon, cat's-eye, 0.48
carat |
|
|
|
|
|
|
|
inert |
inert |
Gems & Gemology 1977 Summer,
p296 |
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 |
|
anthophyllite |
1.6 |
1.695 |
0.015 |
0.025 |
2.85 |
3.55 |
|
|
|
|
|
|
Gemmo.eu 2015
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
CHEMICAL DATA (%)