|
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 |
|
bobdownsite |
1.622 |
1.625 |
0.003 |
0.003 |
3.14 |
3.14 |
colourless |
Big Fish River, Yukon,
Canada |
0.23, 0.13 ct and
0.05ct |
1.622 |
1.622 |
1.625 |
1.625 |
|
inert |
weak
red-purple |
The Journal of Gemmology 2014
Vol 34, No.2, p97 |
TABLES
|
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
ne min |
ne max |
no min |
no max |
Reference |
|
bobdownsite |
1.62 |
1.627 |
0.002 |
0.004 |
3.12 |
3.17 |
|
|
|
|
Gemmo.eu 2015
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
|
STONE |
LOCALITIES |
REFERENCE | |||
|
Bobdownsite |
Big Fish
River |
Dawson Mining
District |
Yukon
Territory |
Canada |
The Journal of Gemmology
2014/Vol34, No.2, p97 |
CHEMICAL DATA
(%)