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INVESTIGATIONS

Stone

RI min

RI max

Dens min

Dens max

Colour

Location

Info

Spectrum

UVS

UVL

Reference

Uvarovite

 

 

3.76

3.76

dark green

Outokumpu, Finland

0.95 ct, 59.80% uvarovite, 38.24% grossular, and 1.96% andradite

 

 

 

The Australian Gemmologist 1993 Vol 18, No5, p142-143

 

TABLES

Stone

RI min

RI max

Dens min

Dens max

Reference

Uvarovite

1.74

1.87

3.4

3.8

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Uvarovite

1.74

1.87

3.71

3.77

http://www.geminterest.com 

Uvarovite

1.74

1.87

3.4

3.8

Gemology Tools Professional 2010

Uvarovite

1.797

1.866

3.7

3.86

Gemmo.eu 2014

Uvarovite

1.84

1.87

3.4

3.9

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

Uvarovite

1.87

1.87

3.41

3.52

John Sinkakas, Gemstone and mineral data book,1972 

Uvarovite

1.87

1.87

3.41

3.52

Bestimmungstabellen für Edelsteine, Birgit Günther, 1981 

Uvarovite

1.87

1.87

3.77

3.77

Gemmological Tables, Ulrich Henn, 2004 

Uvarovite

1.87

1.87

3.71

3.77

http://www.gemmology.be 

Uvarovite

1.87

1.87

3.77

3.77

Tabellen zur Edelstein-Bestimmung, Pschichholz FGA, 1975 

Uvarovite

1.87

1.87

3.77

3.77

Gems, R Webster, 5th edition 1994 

Uvarovite

1.87

1.87

3.71

3.77

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

 

CAUSE OF COLOUR

Stone

Colour

Cause of colour

Reference

Uvarovite

green

Cr³+ in octahedral coordination

Gems & Gemology Summer 1988

 

MINERAL INCLUSIONS

 

LOCALITIES

STONE

LOCALITIES

REFERENCE

Uvarovite

Yi Gong

Tong Mai

Tibet

China

Minerals and their Localities, Jan H.Bernhard and Jaroslav Hyrsi, 2004

Uvarovite

 

Outokumpu

Itä-Suomen Lääni

Finland

The Australian Gemmologist, Vol 18, No5, p142-143 (1993)

Uvarovite

Saranovskii Mine, Saranovskaya Village, Gorozavod area

Permskaya Oblast'

Urals Region

Rusland

MinRec 25:218

 

CHEMICAL DATA (%)