|
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 |
hanksite |
1.469 |
1.481 |
|
|
2.58 |
2.58 |
|
|
5.06 and 8.91
ct |
|
|
|
|
|
moderate greenish
yellow |
weak greenish
yellow |
Gems & Gemology 2010 Spring,
p60 |
TABLES
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
ne min |
ne max |
no min |
no max |
Reference |
hanksite |
1.46 |
1.482 |
0.019 |
0.021 |
2.55 |
2.6 |
|
|
|
|
Gemmo.eu 2013
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
Inclusion |
Stone |
Reference |
gaylussite |
hanksite |
Gems & Gemology 2010 Spring,
p61 |
LOCALITIES
STONE |
LOCALITIES |
REFERENCE | |||
hanksite |
Searles Lake, near
Trona |
San Bernardino
County |
California |
USA |
Gems & Gemology 2010 spring p
61 |
CHEMICAL DATA
(%)