|
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 |
Hübnerite |
2,271 |
2,271 |
|
|
7,16 |
7,16 |
black (reddish) |
Past Buene, Peru |
0,75ct |
|
|
|
|
|
|
|
|
|
http://www.dgemg.com/
2023 jan |
Hübnerite |
|
|
|
|
7,26 |
7,26 |
dark red-brown |
|
0.91ct |
|
|
|
|
|
|
|
inert |
inert |
ACAM lab 4739 |
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 |
Stone |
Hübnerite |
2.12 |
2.33 |
0.125 |
0.135 |
7.1 |
7.25 |
|
|
|
|
|
|
Gemmo.eu
|
Hübnerite |
2.17 |
2.32 |
0.13 |
0.13 |
7.12 |
7.18 |
2.170 |
2.200 |
2.220 |
2.220 |
2.300 |
2.320 |
Joel Arem, Color
Encyclopedia of Gemstones, 1987 |
Hübnerite |
2.17 |
2.32 |
0.13 |
0.13 |
7.12 |
7.18 |
|
|
|
|
|
|
http://www.gemmology.be |
Hübnerite |
2.17 |
2.32 |
0.13 |
0.13 |
7.12 |
7.18 |
2.170 |
2.200 |
|
|
2.300 |
2.320 |
Tables of
Gemstone Identification, Roger Dedeyne, Ivo Quintens, 2007 |
Hübnerite |
2.17 |
2.32 |
0.13 |
0.13 |
7.12 |
7.18 |
|
|
|
|
|
|
Gemology Tools Professional 2010 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES
CHEMICAL DATA