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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

titanoholtite

1,72

1,74

0,02

0,02

3,65

3,65

dark orangy brown

 

0,85ct

 

 

 

 

 

 

 

 

 

Gems & Gemology 2024 Spring p71

 

TABLES

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

 

CHEMICAL DATA