|
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 |
Chambersite |
1.728 |
1.734 |
0.006 |
0.006 |
3.49 |
3.49 |
purple |
|
0.33ct, semitransparent |
|
|
|
|
|
|
|
|
|
Gems & Gemology 2016 Spring, p 68 |
Chambersite |
1.732 |
1.744 |
0.012 |
0.012 |
3.49 |
3.49 |
mauvish-grey |
Barber's Hill Salt Dome, Chambers County, Texas |
0.06ct |
|
|
|
|
|
|
|
|
|
The Journal of Gemmology 1983 Vol18, N°7, p596 |
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 |
Chambersite |
1.729 |
1.745 |
0.01 |
0.012 |
3.49 |
3.5 |
1.729 |
1.735 |
|
|
1.743 |
1.745 |
Gemme, Dati per l'identificazione, P. De
Stefano et al, 1993 |
Chambersite |
1.73 |
1.746 |
0.011 |
0.013 |
3.46 |
3.52 |
|
|
|
|
|
|
Gemmo.eu 2017 |
Chambersite |
1.732 |
1.744 |
0.012 |
0.012 |
3.49 |
3.49 |
1.732 |
1.732 |
1.737 |
1.737 |
1.744 |
1.744 |
http://www.geminterest.com |
Chambersite |
1.732 |
1.745 |
0.01 |
0.01 |
3.5 |
3.5 |
|
|
|
|
|
|
Bestimmungstabellen für Edelsteine,
Birgit Günther, 1981 |
Chambersite |
1.732 |
1.744 |
0.012 |
0.012 |
3.49 |
3.49 |
|
|
|
|
|
|
http://www.gemmology.be |
Chambersite |
1.732 |
1.744 |
0.012 |
0.012 |
3.49 |
3.49 |
1.732 |
1.732 |
1.737 |
1.737 |
1.744 |
1.744 |
Joel Arem, Color Encyclopedia of Gemstones, 1987 |
Chambersite |
1.732 |
1.744 |
0.01 |
0.01 |
3.49 |
3.49 |
|
|
|
|
|
|
Gems, R Webster, 5th edition 1994 |
Chambersite |
1.732 |
1.744 |
0.01 |
0.012 |
3.49 |
3.51 |
|
|
|
|
|
|
Tables of Gemstone Identification, Roger Dedeyne, Ivo Quintens, 2007 |
Chambersite |
1.732 |
1.744 |
0.012 |
0.012 |
3.49 |
3.49 |
|
|
|
|
|
|
Gemology Tools Professional 2010 |
Chambersite |
1,735 |
1,745 |
0.01 |
0.01 |
3.5 |
3.5 |
1.735 |
1.735 |
1.740 |
1.740 |
1.745 |
1.745 |
Gemmological Tables, Ulrich Henn,
2004 |
CAUSE OF
COLOUR
MINERAL
INCLUSIONS
LOCALITIES
CHEMICAL DATA