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INVESTIGATIONS

 

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

Creedite

1.461

1.485

0.024

0.024

2.72

2.72

 

 

 

 

 

 

Bestimmungstabellen für Edelsteine, Birgit Günther, 1981 

Creedite

1.461

1.485

0.024

0.024

2.71

2.73

1.461

1.461

 

 

1.485

1.485

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

Creedite

1.461

1.485

0.021

0.024

2.7

2.7

1.461

1.461

1.478

1.478

1.485

1.485

Gemmological Tables, Ulrich Henn, 2004 

Creedite

1.461

1.485

0.024

0.024

2.71

2.73

 

 

 

 

 

 

http://www.gemmology.be 

Creedite

1.461

1.485

0.024

0.024

2.71

2.73

1.461

1.461

1.478

1.478

1.485

1.485

http://www.geminterest.com 

Creedite

1.461

1.485

0.024

0.024

2.71

2.73

1.461

1.461

1.478

1.478

1.485

1.485

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Creedite

1.461

1.485

0.024

0.024

2.71

2.71

1.461

1.461

1.478

1.478

1.485

1.485

Gems, R Webster, 5th edition 1994 

Creedite

1.461

1.485

0.024

0.024

2.71

2.73

 

 

 

 

 

 

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

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

STONE

LOCALITIES

REFERENCE

Creedite

Santa Eulalia District

Chihuahua

Chihuahua

Mexico

Joel Arem, Color Encyclopedia of Gemstones, 1987

 

CHEMICAL DATA