Gemsdat
 

                Home            Gemstones

 

      

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

Leucite

1.508

1.509

0.001

0.001

2.5

2.5

yellowish

Italy

0.55ct

1.509

1.509

1.508

1.508

 

inert

inert

http://www.geminterest.com 2008

Leucite

1.51

1.51

0

0

2.44

2.44

colourless

 

0.36ct

 

 

 

 

 

 

 

ACAM labo 

Leucite

1.51

1.51

0

0

2.5

2.5

light yellowish

Italy

0.74ct

 

 

 

 

 

 

 

Gemmologie, Zeitschrift der Deutschen Gemmologischen Gesellschaft 2008 Dec, p120

 

TABLES

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

ne min

ne max

no min

no max

Reference

Leucite

1.5

1.5

0

0

2.45

2.5

 

 

 

 

http://www.geminterest.com 

Leucite

1.5

1.5

0

0.001

2.47

2.5

 

 

 

 

http://www.gemmology.be 

Leucite

1.5

1.5

0

0

2.47

2.5

 

 

 

 

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Leucite

1.5

1.5

0

0

2.47

2.5

 

 

 

 

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

Leucite

1.504

1.51

 

 

2.45

2.5

 

 

 

 

Bestimmungstabellen für Edelsteine, Birgit Günther, 1981 

Leucite

1.504

1.512

0.001

0.001

2.45

2.5

1.509

1.512

1.504

1.508

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

Leucite

1.508

1.51

0.001

0.002

2.45

2.5

1.509

1.510

1.508

1.508

Gemmological Tables, Ulrich Henn, 2004 

Leucite

1.51

1.51

0

0

2.45

2.5

 

 

 

 

John Sinkakas, Gemstone and mineral data book,1972 

Leucite

1.51

1.51

0

0

2.45

2.5

 

 

 

 

Tabellen zur Edelstein-Bestimmung, Pschichholz FGA, 1975 

Leucite

1.51

1.51

0.001

0.001

2.45

2.5

 

 

 

 

Gems, R Webster, 5th edition 1994 

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

 

CHEMICAL DATA (%)