|
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 |
|
Cerussite |
|
|
|
|
6.47 |
6.47 |
white |
Morocco |
cabochon, cat's eye, translucent |
|
|
|
|
|
|
|
inert |
orangy yellow |
ACAM lab
4390 |
|
Cerussite |
|
|
|
|
6.54 |
6.54 |
light brownish yellow |
|
42.08ct, transparent, RI OTL, biaxial optic figure |
|
|
|
|
|
|
|
very weak yellow |
inert |
Gems & Gemology 2016 Spring, p 68 |
|
Cerussite |
|
|
|
|
6.58 |
6.58 |
brownish yellowish orange |
Morocco |
42.13ct |
|
|
|
|
|
|
no features |
inert |
inert |
GIA Gem Database 35313 |
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 |
|
Cerussite |
1.8 |
2.08 |
0.27 |
0.278 |
6.44 |
6.6 |
|
|
|
|
|
|
Gemmo.eu
|
|
Cerussite |
1.803 |
2.076 |
0.273 |
0.273 |
6.46 |
6.57 |
|
|
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
|
Cerussite |
1.803 |
2.078 |
0.273 |
0.274 |
6.46 |
6.57 |
1.803 |
1.804 |
|
|
2.076 |
2.078 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
|
Cerussite |
1.803 |
2.079 |
0.273 |
0.274 |
6.46 |
6.58 |
|
|
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
|
Cerussite |
1.804 |
2.078 |
0.274 |
0.274 |
6.55 |
6.55 |
|
|
|
|
|
|
John Sinkakas, Gemstone and mineral data
book,1972 |
|
Cerussite |
1.804 |
2.079 |
0.274 |
0.274 |
6.4 |
6.6 |
1.804 |
1.805 |
2.076 |
2.076 |
2.078 |
2.079 |
http://www.geminterest.com |
|
Cerussite |
1.804 |
2.078 |
0.274 |
0.274 |
6.46 |
6.57 |
1.804 |
1.804 |
2.076 |
2.076 |
2.078 |
2.078 |
Gemmological Tables, Ulrich Henn,
2004 |
|
Cerussite |
1.804 |
2.079 |
0.274 |
0.274 |
6.46 |
6.57 |
|
|
|
|
|
|
http://www.gemmology.be |
|
Cerussite |
1.804 |
2.078 |
0.274 |
0.274 |
6.46 |
6.57 |
|
|
|
|
|
|
Tabellen zur Edelstein-Bestimmung,
Pschichholz FGA, 1975 |
|
Cerussite |
1.804 |
2.079 |
0.274 |
0.274 |
6.55 |
6.55 |
1.804 |
1.804 |
2.076 |
2.076 |
2.079 |
2.079 |
Joel Arem, Color Encyclopedia of Gemstones,
1987 |
|
Cerussite |
1.804 |
2.078 |
0.274 |
0.274 |
6.46 |
6.57 |
|
|
|
|
|
|
Gems, R Webster, 5th edition 1994 |
|
Cerussite |
1.804 |
2.079 |
0.274 |
0.274 |
6.45 |
6.55 |
|
|
|
|
|
|
Gemology Tools Professional 2010 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
|
Inclusion |
Stone |
Reference |
|
cuprite |
Cerussite |
http://www.mindat.org |
LOCALITIES
|
STONE |
LOCALITIES |
REFERENCE |
|||
|
Cerussite |
Tsumeb Mine (Tsumcorp Mine) |
Tsumeb |
Otjikoto Region |
Namibia |
Michael O'Donoghue, Gems: Their Sources,
Descriptions and Identification (2006),
873pp |
CHEMICAL DATA