|
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 |
|
Anglesite |
|
|
|
|
6.29 |
6.29 |
light yellowish, almost colourless |
|
1.82 ct |
|
|
|
|
|
|
|
inert |
yellowish |
ACAM Lab
N°3943 |
|
Anglesite |
|
|
|
|
6.34 |
6.34 |
yellowish orange |
|
16.10ct |
|
|
|
|
|
|
no features |
weak orange |
moderate orange |
GIA Gem Database 34684 |
|
Anglesite |
|
|
|
|
6.35 |
6.35 |
yellow |
Morocco |
40.83ct |
|
|
|
|
|
|
no features |
inert |
inert |
GIA Gem Database 35307 |
|
Anglesite |
|
|
|
|
6.37 |
6.37 |
yellow |
Morocco |
2.06 ct, doubling facets |
|
|
|
|
|
|
|
inert |
inert |
ACAM Lab
N°3943 |
|
Anglesite |
|
|
|
|
6.38 |
6.38 |
yellow, transparent |
Morocco |
2.89ct |
|
|
|
|
|
|
|
|
|
Gemmologie, Zeitschrift der Deutschen
Gemmologischen Gesellschaft 2008 Dec, p114 |
|
Anglesite |
|
|
|
|
6.41 |
6.41 |
yellow |
|
13.47ct |
|
|
|
|
|
|
broad absorption below 420nm |
weak yellow |
inert |
GIA Gem Database 34682 |
|
Anglesite |
|
|
|
|
6.54 |
6.54 |
yellow |
|
17.54ct |
|
|
|
|
|
|
cut-off 430nm |
weak yellow |
inert |
GIA Gem Database 35306 |
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 |
|
Anglesite |
1.877 |
1.877 |
0.017 |
0.017 |
6.39 |
6.39 |
|
|
|
|
|
|
John Sinkakas, Gemstone and mineral data
book,1972 |
|
Anglesite |
1.877 |
1.895 |
0.017 |
0.017 |
6.3 |
6.39 |
1.877 |
1.878 |
|
|
1.894 |
1.895 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
|
Anglesite |
1.877 |
1.894 |
0.017 |
0.017 |
6.3 |
6.39 |
1.877 |
1.877 |
1.882 |
1.882 |
1.894 |
1.894 |
Gemmological Tables, Ulrich Henn,
2004 |
|
Anglesite |
1.877 |
1.894 |
0.017 |
0.017 |
6.3 |
6.39 |
|
|
|
|
|
|
http://www.gemmology.be |
|
Anglesite |
1.877 |
1.894 |
0.017 |
0.017 |
6.3 |
6.39 |
1.877 |
1.877 |
1.883 |
1.883 |
1.894 |
1.894 |
http://www.geminterest.com |
|
Anglesite |
1.877 |
1.894 |
0.017 |
0.017 |
6.25 |
6.4 |
|
|
|
|
|
|
Tabellen zur Edelstein-Bestimmung,
Pschichholz FGA, 1975 |
|
Anglesite |
1.877 |
1.894 |
0.017 |
0.017 |
6.3 |
6.39 |
1.877 |
1.877 |
1.883 |
1.883 |
1.894 |
1.894 |
Joel Arem, Color Encyclopedia of Gemstones,
1987 |
|
Anglesite |
1.877 |
1.894 |
0.017 |
0.017 |
6.3 |
6.39 |
|
|
|
|
|
|
Gems, R Webster, 5th edition 1994 |
|
Anglesite |
1.877 |
1.894 |
0.017 |
0.017 |
6.3 |
6.39 |
|
|
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyne,
Ivo Quintens, 2007 |
|
Anglesite |
1.877 |
1.894 |
0.017 |
0.017 |
6.3 |
6.39 |
|
|
|
|
|
|
Gemology Tools Professional 2010 |
|
Anglesite |
1.878 |
1.895 |
0.017 |
0.017 |
6.3 |
6.39 |
|
|
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES