|
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 |
Strontianite |
1.511 |
1.661 |
0.15 |
0.15 |
3.76 |
3.76 |
pale yellow |
|
1.41ct |
|
|
|
|
|
|
|
weak whitish |
red |
Gems & Gemology 2017 Spring, p90 |
strontianite |
1.518 |
1.668 |
0.15 |
0.15 |
3.73 |
3.73 |
colourless |
|
0.23ct |
|
|
|
|
|
|
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 2010 59/3-4, p69 |
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 |
Strontianite |
1.515 |
1.67 |
0.145 |
0.15 |
3.7 |
3.8 |
|
|
|
|
|
|
Gemmo.eu 2017 |
Strontianite |
1.517 |
1.67 |
0.15 |
0.15 |
3.63 |
3.79 |
1.517 |
1.520 |
1.663 |
1.663 |
1.667 |
1.670 |
Tables of Gemstone Identification, Roger Dedeyne, Ivo Quintens, 2007 |
Strontianite |
1.52 |
1.67 |
0.15 |
0.15 |
3.63 |
3.79 |
|
|
|
|
|
|
http://www.gemmology.be |
Strontianite |
1.52 |
1.67 |
0.15 |
0.15 |
3.63 |
3.785 |
1.520 |
1.520 |
1.660 |
1.660 |
1.670 |
1.670 |
Joel Arem, Color Encyclopedia of Gemstones, 1987 |
Strontianite |
1.52 |
1.67 |
0.15 |
0.15 |
3.63 |
3.79 |
1.520 |
1.520 |
1.660 |
1.660 |
1.670 |
1.670 |
http://www.geminterest.com |
Strontianite |
1.52 |
1.67 |
0.15 |
0.15 |
3.63 |
3.785 |
|
|
|
|
|
|
Gemology Tools Professional 2010 |
CAUSE OF COLOUR
MINERAL
INCLUSIONS
LOCALITIES
CHEMICAL DATA
(%)