|
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 |
Nambulite |
1.71 |
1.71 |
|
|
|
|
red |
Namibia |
2.93ct, cabaochon, RI
spot |
|
|
|
|
|
|
|
inert |
inert |
ACAM Lab
1436 |
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 |
Reference |
Nambulite |
1.706 |
1.731 |
0.022 |
0.024 |
3.49 |
3.55 |
|
|
|
|
|
|
Gemmo.eu
|
Nambulite |
1.707 |
1.73 |
0.023 |
0.023 |
3.51 |
3.51 |
1.707 |
1.707 |
1.710 |
1.710 |
1.730 |
1.730 |
http://www.geminterest.com
|
Nambulite |
1.707 |
1.73 |
0.023 |
0.023 |
3.51 |
3.51 |
|
|
|
|
|
|
http://www.gemmology.be
|
Nambulite |
1.707 |
1.73 |
0.023 |
0.023 |
3.51 |
3.51 |
1.707 |
1.707 |
1.710 |
1.710 |
1.730 |
1.730 |
Joel Arem, Color Encyclopedia
of Gemstones, 1987
|
Nambulite |
1.707 |
1.73 |
0.023 |
0.023 |
3.51 |
3.51 |
|
|
|
|
|
|
Tables of Gemstone
Identification, Roger Dedeyne, Ivo Quintens, 2007
|
Nambulite |
1.707 |
1.73 |
0.023 |
0.023 |
3.51 |
3.51 |
|
|
|
|
|
|
Gemology Tools Professional 2010
|
CAUSE OF COLOUR
MINERAL INCLUSIONS
LOCALITIES
CHEMICAL DATA
(%)