|
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 |
|
Mimetite |
|
|
|
|
7.41 |
7.41 |
light
yellow |
Tsumeb,
Namibia |
4.46ct |
|
|
|
|
|
inert |
inert |
GIA Gem Database
35453 |
TABLES
|
Stone |
RI min |
RI max |
Biref min |
Biref max |
Dens min |
Dens max |
ne min |
ne max |
no min |
no max |
Reference |
|
Mimetite |
2.106 |
2.263 |
0.018 |
0.024 |
7.1 |
7.1 |
2.106 |
2.239 |
2.124 |
2.263 |
Gemmological Tables, Ulrich Henn, 2004
|
|
Mimetite |
2.12 |
2.135 |
0.016 |
0.018 |
7 |
7.25 |
|
|
|
|
John Sinkakas, Gemstone and
mineral data book,1972
|
|
Mimetite |
2.12 |
2.135 |
0.015 |
0.015 |
7.15 |
7.15 |
|
|
|
|
Bestimmungstabellen für Edelsteine, Birgit
Günther, 1981
|
|
Mimetite |
2.12 |
2.147 |
0.015 |
0.019 |
7.11 |
7.24 |
2.120 |
2.128 |
2.135 |
2.147 |
Gemme, Dati per l'identificazione, P. De Stefano
et al, 1993
|
|
Mimetite |
2.12 |
2.135 |
0.015 |
0.015 |
7 |
7.25 |
|
|
|
|
Gems, R Webster, 5th edition
1994
|
|
Mimetite |
2.12 |
2.147 |
0.015 |
0.019 |
7.15 |
7.24 |
|
|
|
|
Tables of Gemstone
Identification, Roger Dedeyn, Ivo Quintens, 2007
|
|
Mimetite |
2.128 |
2.147 |
0.019 |
0.019 |
7.1 |
7.24 |
2.128 |
2.128 |
2.147 |
2.147 |
http://www.geminterest.com
|
|
Mimetite |
2.128 |
2.147 |
0.019 |
0.019 |
7.2 |
7.24 |
|
|
|
|
http://www.gemmology.be
|
|
Mimetite |
2.128 |
2.147 |
0.019 |
0.019 |
7.24 |
7.24 |
|
|
2.147 |
2.128 |
Joel Arem, Color Encyclopedia
of Gemstones, 1987
|
CAUSE OF COLOUR
|
Stone |
Colour |
Cause of
colour |
Reference |
|
Mimetite |
yellow
orange |
O²-->As |
Alain Abréal, juillet
2002 |
MINERAL INCLUSIONS
LOCALITIES
CHEMICAL DATA (%)