|
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 |
|
euchroite |
1.695 |
1.733 |
0.038 |
0.038 |
3.45 |
3.45 |
bluish green |
Slovakia |
1.36ct, 1.35ct, 0.06ct and 0.04ct |
|
|
|
|
|
|
|
|
|
The Journal of Gemmology 2020 Vol 37 (2), p127-128 |
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 |
|
euchroite |
1.695 |
1.733 |
0.038 |
0.038 |
3.44 |
3.47 |
|
|
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyne, Ivo Quintens, 2007 |
|
euchroite |
1.695 |
1.733 |
0.035 |
0.035 |
3.4 |
3.5 |
|
|
|
|
|
|
Gemmo.eu 2021 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES
CHEMICAL DATA
(%)