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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

Chabazite

1.47

1.494

 

 

2.05

2.16

 

 

 

 

 

 

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Chabazite

1.478

1.49

0.002

0.005

2.05

2.16

1.478

1.485

1.480

1.490

1.480

1.490

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Chabazite

1.478

1.49

0.005

0.008

2.08

2.16

 

 

 

 

 

 

Gemmological Tables, Ulrich Henn, 2004 

Chabazite

1.478

1.493

0.002

0.006

2.05

2.2

1.478

1.487

 

 

1.480

1.493

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

chabazite-Sr

1.503

1.507

0.004

0.004

2.05

2.16

 

 

 

 

 

 

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CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

 

CHEMICAL DATA