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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