|
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 |
|
Aurichalcite
|
1.63 |
1.75 |
|
|
|
|
greenish blue,
banded |
|
cabochon, semi-translucent to
opaque |
|
|
|
|
|
|
|
|
|
Gems & Gemology 2002 Summer,
p161 |
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 |
|
Aurichalcite |
1.63 |
1.75 |
0.085 |
0.095 |
3.6 |
4.25 |
|
|
|
|
|
|
Gemmo.eu 2013
|
|
Aurichalcite |
1.654 |
1.756 |
0.089 |
0.095 |
3.64 |
4.23 |
1.654 |
1.661 |
1.740 |
1.749 |
1.743 |
1.756 |
Gemmological Tables, Ulrich Henn, 2004
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
CHEMICAL DATA
(%)