|
INVESTIGATIONS
|
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
Colour |
Location |
Info |
ne min |
ne max |
no min |
no max |
Spectrum |
UVS |
UVL |
Reference |
|
Pyrargyrite |
|
|
|
|
5.85 |
5.85 |
|
Peru |
1.89 ct |
|
|
|
|
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 2013 62/1-2, Jun,
p38 |
TABLES
|
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
ne min |
ne max |
no min |
no max |
Reference |
|
Pyrargyrite |
2.88 |
3.08 |
0.2 |
0.2 |
5.85 |
5.85 |
|
|
|
|
http://www.gemmology.be
|
|
Pyrargyrite |
2.88 |
3.08 |
0.2 |
0.2 |
5.85 |
5.85 |
2.880 |
2.880 |
3.080 |
3.080 |
Joel Arem, Color Encyclopedia
of Gemstones, 1987
|
|
Pyrargyrite |
2.88 |
3.08 |
0.2 |
0.2 |
5.85 |
5.85 |
2.880 |
2.880 |
3.080 |
3.080 |
http://www.geminterest.com
|
|
Pyrargyrite |
2.88 |
3.08 |
0.2 |
0.2 |
5.85 |
5.85 |
|
|
|
|
Tables of Gemstone
Identification, Roger Dedeyne, Ivo Quintens, 2007
|
|
Pyrargyrite |
2.88 |
3.08 |
0.2 |
0.2 |
5.85 |
5.85 |
|
|
|
|
Gemology Tools Professional 2010
|
|
Pyrargyrite |
2.88 |
3.085 |
0.195 |
0.205 |
5.83 |
5.87 |
|
|
|
|
Gemmo.eu 2013
|
|
Pyrargyrite |
2.881 |
3.084 |
0.203 |
0.203 |
5.85 |
5.85 |
2.881 |
2.881 |
3.084 |
3.084 |
Gemmological Tables, Ulrich Henn, 2004
|
|
Pyrargyrite |
|
|
|
|
5.85 |
5.85 |
|
|
|
|
Gems, R Webster, 5th edition
1994
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
CHEMICAL DATA (%)