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

Shattuckite

1.76

3.94

3.94

intense blue

8.13ct

broad absorption band from the green through red region

The Journal of Gemmology 2015 Vol 34, No.7, p566-567

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

Shattuckite

1.75

1.815

0.06

0.065

3.79

4.13

Gemmo.eu 2016

Shattuckite

1.752

1.815

0.063

0.063

3.8

3.8

Bestimmungstabellen für Edelsteine, Birgit Günther, 1981 

Shattuckite

1.752

1.815

0.063

0.063

3.8

4.11

1.752

1.753

1.815

1.815

Gemme, Dati per l'identificazione, P. De Stefano et al, 1993 

Shattuckite

1.752

1.815

0.063

0.063

4.11

4.14

1.752

1.752

1.782

1.782

1.815

1.815

Gemmological Tables, Ulrich Henn, 2004 

Shattuckite

1.752

1.815

0.063

0.063

3.8

4.11

http://www.gemmology.be 

Shattuckite

1.752

1.815

0.063

0.063

3.8

4.11

1.752

1.753

1.782

1.782

1.815

1.815

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Shattuckite

1.752

1.815

0.063

0.063

3.8

4.12

1.752

1.753

1.782

1.782

1.815

1.815

http://www.geminterest.com 

Shattuckite

1.752

1.815

2.53

2.84

Gems, R Webster, 5th edition 1994 

Shattuckite

1.752

1.815

0.063

0.063

3.8

4.11

1.752

1.753

1.782

1.782

1.815

1.815

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

Shattuckite

1.78

1.78

3.7

3.8

John Sinkakas, Gemstone and mineral data book,1972 

Stone

Colour

Cause of colour

Reference

Shattuckite

blue

Cu²+

Gems & Gemology Summer 1988