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INVESTIGATIONS

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

Colour

Locality

Info

nx min

nx max

ny min

ny max

nz min

nz max

Spectrum

UVS

UVL

Reference

Serendibite

1.696

1.702

0.005

0.005

3.43

3.44

bluish green, green-blue

Ratnapura, Sri Lanka

transparent

1.696

1.697

1.699

1.700

1.701

1.702

 

inert

inert

Gems & Gemology 2002 Spring p73-74

Serendibite

1.697

1.704

0.007

0.007

3.39

3.39

 

 

 

 

 

 

 

 

 

weak line at 470nm

inert

inert

Gems & Gemology 1997 summer, p140-141

Serendibite

1.71

1.72

0.01

0.01

3.42

3.42

very dark bluish black

Mogok, Myanmar

0.49ct

 

 

 

 

 

 

 

 

 

ACAM Lab  1874

 

TABLES

Stone

RI min

RI max

Biref min

Biref max

Dens min

Dens max

nx min

 nx max

ny min

ny max

nz min

nz max

Reference

Serendibite

1.695

1.744

0.004

0.006

3.38

3.52

 

 

 

 

 

 

Gemmo.eu 

Serendibite

1.696

1.702

0.005

0.005

3.43

3.44

1.696

1.697

1.699

1.700

1.701

1.702

Gemmological Tables, Ulrich Henn, 2004 

Serendibite

1.697

1.743

0.004

0.005

3.4

3.75

1.697

1.738

1.699

1.741

1.701

1.743

http://www.geminterest.com 

Serendibite

1.697

1.743

0.005

0.008

3.39

3.44

1.697

1.738

 

 

1.701

1.743

Bestimmungstabellen für Edelsteine, Birgit Günther, 2008 

Serendibite

1.7

1.743

0.006

0.006

3.42

3.52

 

 

 

 

 

 

Gems, R Webster, 5th edition 1994 

Serendibite

1.7

1.743

0.005

0.005

3.4

3.52

1.700

1.738

1.703

1.741

1.706

1.743

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

Serendibite

1.701

1.706

0.005

0.005

3.4

3.4

 

 

 

 

 

 

Gemology Tools Professional 2010

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

STONE

LOCALITIES

REFERENCE

Serendibite

 

Ratnapura

 

Sri Lanka

Gems & Gemology 2002 Spring p73-74

 

CHEMICAL DATA (%)

Stone

Colour

Locality

Reference

SiO2

Al2O3

MnO

MgO

TiO2

CaO

Na2O

Cr2O3

V2O3

ZnO

Fe2O3

K2O

B2O3

Serendibite

 

 

Sri Lanka

Gems & Gemology 2002 Spring p76

26.56

34.24

0.03

15.57

0.03

13.79

1.23

0.02

0.02

0.02

1.02

0.01

3.55

Serendibite

 

 

Sri Lanka

Gems & Gemology 2002 Spring p76

27.18

34.82

0.02

15.43

0.02

13.68

1.2

0.01

0.02

0.03

0.84

0.1

7.63