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INVESTIGATIONS

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

Colour

Locality

Info

nx min

nx max

ny min

ny max

nz min

nz max

Spectrum

UVS

UVL

Reference

Triplite

1.658

1.677

0.019

0.019

3.87

3.87

reddish orange, transparent

Shigar Valley, Pakistan

 

 

 

 

 

 

 

general absorption at 450nm, weak bands at 470nm and 490nm, stronger bands at 520-560nm

inert

inert

Gems & Gemology 2004 winter, p346

Triplite

1.661

1.68

0.019

0.019

3.88

3.88

orange

 

0.48ct

 

 

 

 

 

 

 

 

 

Gemmologie, Zeitschrift der Deutschen Gemmologischen Gesellschaft 2008 Dec, p119

Triplite

1.684

1.704

0.02

0.02

3.86

3.86

black, cat's eye

Minas Gerais, Brazil

 

 

 

 

 

 

 

 

 

 

Zeitschrift der Deutschen Gemmologischen Gesellschaft 1993 Sep, p66

 

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

Triplite

1.643

1.703

0.017

0.03

3.85

3.94

1.643

1.684

1.647

1.693

1.668

1.703

http://www.geminterest.com 

Triplite

1.644

1.703

0.019

0.03

3.44

3.9

1.644

1.684

1.667

1.675

1.668

1.703

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

Triplite

1.662

1.713

0.017

0.022

3.45

3.9

1.662

1.696

 

 

1.684

1.713

Bestimmungstabellen für Edelsteine, Birgit Günther, 2008 

Triplite

1.684

1.704

0.02

0.02

3.86

3.86

1.684

1.684

 

 

1.704

1.704

Gemmological Tables, Ulrich Henn, 2004 

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

STONE

LOCALITIES

REFERENCE

Triplite

Shigar Valley

Skardu District

Baltistan

Pakistan

Gems & Gemology 2004 winter, p346

 

CHEMICAL DATA (%)