Gemsdat
 

                Home            Gemstones

 

     

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

 

 

 

 

6.37

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

 

 

 

 

6.54

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