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INVESTIGATIONS

 

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

Scorzalite

1.626

1.68

0.038

0.04

3.38

3.38

1.626

1.645

1.654

1.674

1.663

1.680

http://www.geminterest.com 

Scorzalite

1.626

1.68

0.037

0.04

3.22

3.38

 

 

 

 

 

 

http://www.gemmology.be 

Scorzalite

1.627

1.68

0.038

0.04

3.38

3.38

1.627

1.639

1.655

1.670

1.664

1.680

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Scorzalite

1.627

1.68

0.038

0.04

3.27

3.38

1.627

1.639

1.655

1.670

1.664

1.680

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

Scorzalite

1.629

1.66

0.037

0.037

3.24

3.24

1.629

1.629

1.655

1.655

1.660

1.660

Gems, R Webster, 5th edition 1994 

Scorzalite

1.639

1.68

0.041

0.041

3.31

3.31

1.639

1.639

1.670

1.670

1.680

1.680

Gemmological Tables, Ulrich Henn, 2004 

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

 

CHEMICAL DATA (%)

Stone

Colour

Locality

Reference

Al2O3

MnO

MgO

FeO

TiO2

CaO

H2O

P2O5

Scorzalite

 

Corrego Frio, Linopolis, Minas Gerais

Brazil

The Australian Gemmologist 2003, Vol 21, N10, p396

30.87

0.11

4.23

15.28

0.11

0.02

5.96

42.9