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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

Parisite

1.669

1.769

0.1

0.1

3.79

3.79

Very slightly brownish yellowish orange

Mt. Malosa, Malawi

0.22 ct

 

 

 

 

 

inert

inert

Gems & Gemology 2010 Spring, p42-47

Parisite

1.67

1.77

0.1

0.1

4.33

4.33

yellow-brown

Colombia

0.07ct

 

 

 

 

 

 

 

Gemmologie, Zeitschrift der Deutschen Gemmologischen Gesellschaft 2008 Dec, p114

Parisite

1.67

1.77

0.1

0.1

4.18

4.18

 

 

crystals

 

 

 

 

many bands

 

 

Gems & Gemology 1982 Winter, p230

Parisite

1.671

1.772

0.101

0.101

4.33

4.34

yellow-brown

Muzo, Colombia

 

 

 

 

 

 

 

 

Zeitschrift der Deutschen Gemmologischen Gesellschaft 1990 Dec, p229-232

 

TABLES

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

ne min

ne max

no min

no max

Reference

Parisite

1.67

1.773

0.079

0.102

4.32

4.39

 

 

 

 

Gemmo.eu 2013

Parisite

1.671

1.771

0.099

0.1

4.35

4.38

1.771

1.771

1.671

1.672

Gemmological Tables, Ulrich Henn, 2004 

Parisite

1.671

1.772

0.101

0.101

4.33

4.33

 

 

 

 

Gems, R Webster, 5th edition 1994 

Parisite

1.671

1.772

0.081

0.101

4.33

4.42

1.757

1.772

1.671

1.676

Bestimmungstabellen für Edelsteine, Birgit Günther, 2008 

Parisite

1.671

1.772

0.075

0.101

4.33

4.36

 

 

 

 

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

Parisite

1.676

1.757

0.081

0.081

4.36

4.37

 

 

 

 

http://www.gemmology.be 

Parisite

1.676

1.757

0.081

0.081

4.36

4.36

1.757

1.757

1.676

1.676

Joel Arem, Color Encyclopedia of Gemstones, 1987 

Parisite

1.676

1.757

0.081

0.081

4.36

4.36

1.757

1.757

1.676

1.676

http://www.geminterest.com 

Parisite

1.676

1.757

0.081

0.081

4.36

4.36

 

 

 

 

Gemology Tools Professional 2010

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

 

CHEMICAL DATA (%)

Stone

Colour

Locality

Reference

CaO

F

La2O3

Ce2O3

PrO2

Nd2O3

Parisite

 

Muzo

Colombia

Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1990, Dec, p231

7.73

10.4

12.64

25.54

4.1

6.44