Gemsdat
 

                Home            Gemstones

 

      

INVESTIGATIONS

Stone

RI min

RI max

Dens min

Dens max

Colour

Location

Info

Spectrum

UVS

UVL

Reference

Pollucite

1.517

1.525

2.85

2.94

white, colourless

Momeik (Molo) , Mogok, Myanmar

 

 

bright yellow, yellowish brown

bright yellow, yellowish brown

The Australian Gemmologist 2005 22, p303-309

Pollucite

1.517

1.519

2.9

2.9

colourless

Laghman, Afghanistan

 

no lines or bands

inert

inert

Gems & Gemology 2009 Summer, p150-151

Pollucite

1.518

1.519

2.86

2.87

colourless

Pakistan

18.83 and 1.53 ct

 

weak violet

strong violet

Gemmologie, Zeitschrift der Deutschen Gemmologischen Gesellschaft 2009 58/3-4/Dec, p84

Pollucite

1.518

1.518

2.94

2.94

colourless

 

 

 

 

 

Gems & Gemology 1962 Fall, p343-344

 

TABLES

Stone

RI min

RI max

Dens min

Dens max

Reference

Pollucite

1.508

1.527

2.67

3.03

Tschernich, Zeolites of the world, 1992

Pollucite

1.517

1.525

2.85

2.94

John Sinkakas, Gemstone and mineral data book,1972 

Pollucite

1.517

1.525

2.9

2.94

Bestimmungstabellen für Edelsteine, Birgit Günther, 1981 

Pollucite

1.517

1.525

2.85

2.94

Gemmological Tables, Ulrich Henn, 2004 

Pollucite

1.517

1.525

2.85

2.94

Tabellen zur Edelstein-Bestimmung, Pschichholz FGA, 1975 

Pollucite

1.517

1.525

2.85

2.94

Gems, R Webster, 5th edition 1994 

Pollucite

1.518

1.525

2.85

2.94

http://www.gemmology.be 

Pollucite

1.518

1.525

2.85

2.94

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Pollucite

1.518

1.525

2.8

3

http://www.geminterest.com 

Pollucite

1.518

1.525

2.85

2.94

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

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

STONE

LOCALITIES

REFERENCE

Polluciet

Momeik

Mogok

Mandalay

Myanmar

The Australian Gemmologist (2005) 22, p308

 

CHEMICAL DATA (%)