Gemsdat
 

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INVESTIGATIONS

Stone

RI min

RI max

Dens min

Dens max

Colour

Location

Info

Spectrum

UVS

UVL

Reference

Pyrite

 

 

4.99

4.99

 

 

2.75ct, cabochon

 

 

 

ACAM Lab  4828

 

TABLES

Stone

RI min

RI max

Dens min

Dens max

Reference

Pyrite

 

 

4.8

4.9

John Sinkakas, Gemstone and mineral data book,1972 

Pyrite

 

 

4.84

4.95

Bestimmungstabellen für Edelsteine, Birgit Günther, 1981 

Pyrite

 

 

4.9

5.1

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

Pyrite

 

 

4.9

5.2

Gemmological Tables, Ulrich Henn, 2004 

Pyrite

 

 

4.9

5.1

http://www.gemmology.be 

Pyrite

 

 

4.9

5.1

Gemology Tools Professional 2010

Pyrite

 

 

4.95

5.1

Tabellen zur Edelstein-Bestimmung, Pschichholz FGA, 1975 

Pyrite

 

 

4.98

5.05

Gemmo.eu 

Pyrite

1.811

1.83

5

5.03

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Pyrite

 

 

5

5.03

http://www.geminterest.com 

Pyrite

 

 

5

5.2

Gems, R Webster, 5th edition 1994 

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

 

CHEMICAL DATA (%)