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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

pseudomalachite

1.624

1.689

 

 

3.93

4.17

greenish blue

Slovakia

 

 

 

 

 

 

 

 

 

 

The Journal of Gemmology 2018 36(3) p194

 

TABLES

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

 

CHEMICAL DATA (%)