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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

Shortite

1.53

1.569

0.039

0.039

2.61

2.61

yellowish

Mont Saint-Hilaire, Quebec, Canada

0.44 ct

1.530

1.530

1.551

1.551

1.569

1.569

 

 

 

Zeitschrift der Deutschen Gemmologischen Gesellschaft 1994 Dez, p140-141

 

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

Shortite

1.53

1.569

0.093

0.093

2.61

2.61

1.530

1.530

1.551

1.551

1.569

1.569

Gemmological Tables, Ulrich Henn, 2004 

Shortite

1.53

1.57

0.039

0.039

2.6

2.63

1.530

1.531

1.551

1.555

1.569

1.570

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

Shortite

1.531

1.57

0.039

0.039

2.6

2.6

 

 

 

 

 

 

http://www.gemmology.be 

Shortite

1.531

1.57

0.039

0.039

2.6

2.6

1.531

1.531

1.555

1.555

1.570

1.570

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Shortite

1.531

1.57

0.039

0.039

2.6

2.6

1.531

1.532

1.555

1.556

1.570

1.570

http://www.geminterest.com 

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

STONE

LOCALITIES

REFERENCE

Shortite

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry)

Mont Saint-Hilaire, Rouville County

Quebec

Canada

Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1994, Dez, p137

 

CHEMICAL DATA (%)

Stone

Colour

Locality

Reference

CaO

Na2O

CO2

Shortite

 

Mont Saint-Hilaire, Quebec

Canada

Zeitschrift der deutschen gemmologischen Gesellschaft, 1994, Dez, p140

40.49

13.9

45.61