|
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 |
|
Xenotime |
1.719 |
|
|
|
4.78 |
4.78 |
orange-brown,
translucent |
Afghanistan |
0.46ct |
|
|
|
|
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 2008 Dec,
p117 |
TABLES
|
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
ne min |
ne max |
no min |
no max |
Reference |
|
Xenotime |
1.72 |
1.827 |
0.095 |
0.095 |
4.3 |
5.1 |
1.816 |
1.827 |
1.720 |
1.724 |
Gemmological Tables, Ulrich Henn, 2004
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
|
STONE |
LOCALITIES |
REFERENCE | |||
|
Xenotime |
Warsak |
Mohmand
Agency |
Federally Administered Tribal Areas
(FATA) |
Pakistan |
http://www.rarestone.com |
CHEMICAL DATA (%)