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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

Burbankite

1.62

1.625

0.005

0.005

3.68

3.68

orangy yellow

Mont Saint-Hilaire, Québec, Canada

1.32ct

 

 

 

 

many lines

inert

inert

GIA Gem Database  35353

 

TABLES

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

ne min

ne max

no min

no max

Reference

Burbankite

1.63

1.632

0.002

0.002

3.53

3.53

1.630

1.630

1.632

1.632

Gemmological Tables, Ulrich Henn, 2004 

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES