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INVESTIGATIONS

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

Colour

Location

Info

Spectrum

UVS

UVL

Reference

Analcime

1.486

1.487

0.001

0.001

2.22

2.29

 

Australia

transparent

 

 

 

Zeitschrift der Deutschen Gemmologischen Gesellschaft 1983 Vol 32, No 4, p204-205

 

TABLES

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

Reference

Analcime

1.479

1.493

0

0

2.22

2.29

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Analcime

1.479

1.489

0

0

2.22

2.29

Bestimmungstabellen für Edelsteine, Birgit Günther, 1981 

Analcime

1.479

1.493

 

 

2.22

2.29

http://www.gemmology.be 

Analcime

1.479

1.493

0

0

2.22

2.29

http://www.geminterest.com 

Analcime

1.479

1.493

0

0

2.2

2.29

Tables of Gemstone Identification, Roger Dedeyne, Ivo Quintens, 2007 

Analcime

1.48

1.493

0

0

2.22

2.3

Gemme, Dati per l'identificazione, P. De Stefano et al, 1993 

Analcime

1.485

1.54

0

0

2.2

2.3

Gemmo.eu 2013

Analcime

1.486

1.487

0.001

0.001

2.22

2.3

Gemmological Tables, Ulrich Henn, 2004 

Analcime

1.487

1.487

0

0

2.22

2.29

John Sinkakas, Gemstone and mineral data book,1972 

Analcime

1.487

1.487

0

0

2.22

2.29

Tabellen zur Edelstein-Bestimmung, Pschichholz FGA, 1975 

Analcime

1.487

1.487

0

0

2.22

2.29

Gems, R Webster, 5th edition 1994 

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

Inclusion

Stone

Reference

copper

Analcime

Gemmological Tables, Ulrich Henn , GGA, 2004

 

LOCALITIES