|
INVESTIGATIONS
|
Stone |
RI min |
RI max |
Dens min |
Dens max |
Colour |
Location |
Info |
Spectrum |
UVS |
UVL |
Reference |
|
Manganotychite |
1.552 |
1.552 |
2.83 |
2.83 |
brown (due to a superficial
coating) |
Mont St.-Hilaire,
Canada |
0.28ct |
sharp band at about 414
nm |
inert |
inert |
Gems & Gemology 1995 Spring,
p66 |
TABLES
|
Stone |
RI min |
RI max |
Dens min |
Dens max |
Reference |
|
Manganotychite |
1.552 |
1.552 |
2.83 |
2.83 |
Gemmological Tables, Ulrich Henn, 2004
|
|
Manganotychite |
1.543 |
1.554 |
2.7 |
2.85 |
Gemmo.eu 2013
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
CHEMICAL DATA
(%)