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INVESTIGATIONS

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

Colour

Location

Info

ne min

ne max

no min

no max

Spectrum

UVS

UVL

Reference

Brucite

1.55

1.56

 

 

2.39

2.39

greyish green and reddish brown, white

 

translucent, carving, jade simulant, RI: distant vision

 

 

 

 

 

inert

inert

The Journal of Gemmology 2010 Vol 32, N1-4, p68

 

TABLES

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

ne min

ne max

no min

no max

Reference

Brucite

1.559

1.6

0.01

0.02

2.39

2.39

1.580

1.600

1.559

1.59

http://www.geminterest.com 

Brucite

1.559

1.6

0.01

0.02

2.39

2.39

 

 

 

 

http://www.gemmology.be 

Brucite

1.559

1.6

0.01

0.02

2.39

2.39

1.580

1.600

1.559

1.59

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Brucite

1.559

1.6

0.01

0.02

2.38

2.41

1.580

1.600

1.559

1.59

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

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

 

CHEMICAL DATA