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

Pezzottaite

1.594

1.609

0.015

0.015

2.92

2.95

Strong pinkish orange (salmon) to purplish pink

Myanmar

 

 

 

 

 

 

 

 

Gems & Gemology 2007 Spring, p70-72

Pezzottaite

1.598

1.606

0.008

0.008

2.906

2.906

dark pink

Afghanistan

 

1.598

1.598

1.606

1.606

 

 

 

Gemmologie 2003 2/3 - p67-80

Pezzottaite

1.598

1.606

0.007

0.008

2.91

2.97

purple-pink

Afghanistan

transparent to semi-transparent

1.598

1.598

1.605

1.606

band at 500nm and weaker band at 570nm

weak banded white

very weak violet

Gems & Gemology 2005 Spring p 61-62

Pezzottaite

1.601

1.62

0.008

0.009

3.09

3.14

purplish pink, transparent to translucent

Ambatovita, Madagascar

chelsea: faint orange pink to pink-orange

1.601

1.611

1.612

1.620

//OA: diffuse lines at 465 and 477 plus a band at 485-500nm; perpendicular to OA: bands at 485-500nm and 550-580nm

inert

inert

Gems & Gemology 2003 winter p284-301

Pezzottaite

1.601

1.615

0.014

0.014

3.17

3.17

pink

Madagascar

0.43ct

 

 

 

 

 

inert

inert

ACAM lab  4877

Pezzottaite

1.604

1.615

0.007

0.007

3.089

3.103

dark pink

Madagascar

 

1.604

1.608

1.611

1.615

 

 

 

Gemmologie 2003 2/3 - p67-80

Pezzottaite

1.607

1.619

0.008

0.009

3.09

3.14

 

Madagascar

 

1.607

1.610

1.615

1.619

 

 

 

Gems & Gemology 2005 Spring p 61-62

Pezzottaite

1.608

1.615

0.007

0.007

3.04

3.04

pink

Russia

0.47ct

 

 

 

 

 

inert

inert

ACAM lab  4499

Pezzottaite

1.61

1.618

0.008

0.008

3.1

3.1

red

Ambatovita, Fianarantsoa Province, Madagascar

4.15ct

 

 

 

 

broad absorption from 485-500nm, lines at 465, 477nm

inert

inert

GIA Gem Database  35636

Pezzottaite

1.61

1.61

 

 

3.07

3.07

pink-purple

 

cabochon 40.44ct, spot RI

 

 

 

 

 

inert

inert

http://www.laboratoire-francais-gemmologie.fr 2015

 

TABLES

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

ne min

ne max

no min

no max

Reference

Pezzottaite

1.593

1.62

0.007

0.015

2.91

3.14

 

 

 

 

Gemmo.eu 

Pezzottaite

1.594

1.62

0.007

0.015

2.9

3.14

1.594

1.611

1.605

1.620

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

Pezzottaite

1.598

1.615

0.007

0.008

2.9

3.1

1.598

1.608

1.606

1.615

Gemmological Tables, Ulrich Henn, 2004 

Pezzottaite

1.601

1.619

0.008

0.009

3.09

3.14

1.601

1.610

1.612

1.619

Bestimmungstabellen fr Edelsteine, Birgit Gnther, 2008 

Pezzottaite

1.601

1.62

0.019

0.019

2.67

2.9

 

 

 

 

Gemology Tools Professional 2010

Pezzottaite

1.608

1.617

0.008

0.008

3.04

3.14

 

 

 

 

http://www.gemmology.be 

Pezzottaite

1.608

1.618

0.008

0.015

2.92

3.3

1.608

1.610

1.616

1.618

http://www.geminterest.com 

 

CAUSE OF COLOUR

Stone

Colour

Cause of colour

Reference

Pezzottaite

pink

Mn+

http://minerals.caltech.edu

 

MINERAL INCLUSIONS

 

LOCALITIES

STONE

LOCALITIES

REFERENCE

Pezzottaite

Katchel, Molo, Momeik area

Mogok

Mandalay

Myanmar

Gems&Gemology Spring 2007 p70-71







 

CHEMICAL DATA (%)

Stone

Colour

Locality

Reference

SiO2

Al2O3

MnO

FeO

TiO2

CaO

Na2O

V2O3

Fe2O3

BeO

K2O

Cs2O

Sc2O3

H2O

Li2O

Rb2O

Pezzottaite

 

 

Madagascar

The Journal of Gemmology 2003, Vol 28,N7, p422

58.42

15.62

 

 

 

0.19

0.52

0.09

0.02

6.28

0.15

14.31

 

 

1.83

0.39

Pezzottaite

 

 

Madagascar

The Journal of Gemmology 2003, Vol 28,N7, p422

58.6

15.7

 

 

 

0.17

0.5

0.09

0.03

6.21

0.16

14.63

 

 

1.86

0.39

Pezzottaite

 

Ambatovita

Madagascar

Gems & Gemology 2003 Winter, p284-301

56.77

15.99

0.11

 

 

 

0.41

 

 

8.14

0.11

13.55

0.03

1.72

2.16

0.85

Pezzottaite

 

 

Madagascar

The Journal of Gemmology 2003, Vol 28,N7, p422

59.01

15.84

 

 

 

0.17

0.56

0.05

0.03

6.36

0.14

14.27

 

 

1.84

0.38

Pezzottaite

 

Ambatovita

Madagascar

Gems & Gemology 2003 Winter, p284-301

54.58

16.88

0.02

0.02

0.01

0.22

0.46

 

 

8.14

0.14

18.23

 

 

2.12

0.44

Pezzottaite

 

 

Afghanistan

The Journal of Gemmology 2003, Vol 28,N7, p422

61.32

15.72

0.02

 

 

0.98

1.15

0.06

0.02

8.13

0.03

9.7

 

 

1.35

0.14