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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

Leifite

1.515

1.519

0.004

0.004

2.57

2.57

light violet

Mont Saint-Hilaire, Québec, Canada

 

 

 

 

 

 

may fluoresce green

 

The Journal of Gemmology 1996 Vol 25, N°1,p35

Leifite

1.516

1.52

0.004

0.004

2.63

2.63

colourless

Mont Saint-Hilaire, Québec, Canada

0.03 ct, transparent

 

 

 

 

 

 

 

Zeitschrift der Deutschen Gemmologischen Gesellschaft 1994 Dez, p138-139

Leifite

1.517

1.522

0.005

0.005

2.62

2.62

light purplish pink

Mont Saint-Hilaire, Québec, Canada

2.30 ct

 

 

 

 

none

inert

inert

Gems & Gemology 1995 Spring, p67

 

TABLES

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

ne min

ne max

no min

no max

Reference

Leifite

1.51

1.522

0.01

0.01

2.56

2.58

1.520

1.522

1.510

1.512

http://www.geminterest.com 

Leifite

1.511

1.522

0.004

0.01

2.57

2.63

1.519

1.522

1.511

1.518

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

Leifite

1.514

1.52

0.003

0.006

2.55

2.63

 

 

 

 

Gemmo.eu 2013

Leifite

1.516

1.52

0.004

0.004

2.63

2.63

1.520

1.520

1.516

1.516

Gemmological Tables, Ulrich Henn, 2004 

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

Inclusion

Stone

Reference

aegirine

Leifite

Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1994, Dez, p138-139

 

LOCALITIES

STONE

REFERENCE

Leifite

The Journal of Gemmology 1996 Vol 25, N°1,p35

 

CHEMICAL DATA (%)

Stone

Colour

Locality

Reference

SiO2

Al2O3

Na2O

Leifite

 

Mont Saint-Hilaire, Quebec

Canada

Zeitschrift der deutschen gemmologischen Gesellschaft, 1994, Dez, p139

75.45

9.03

13.69