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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

Johachidolite

1.717

1.725

0.006

0.008

3.23

3.67

orange, light yellow, very light green, yellow-orange

Myanmar

 

1.717

1.718

 

 

1.724

1.725

 

 

sometimes weak blue

Gems & Gemology 2008 fall 246-251

Johachidolite

1.717

1.724

0.007

0.007

3.45

3.45

pale yellow

probably Mogok, Myanmar

chelsea : yellowish-green, 14ct

1.717

1.717

1.720

1.720

1.724

1.724

none

weak blue

strong whitish blue

The Journal of Gemmology 1998 Vol 26, N5, p324-329

 

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

Johachidolite

1.71

1.73

0.005

0.014

3.38

3.43

1.710

1.719

1.717

1.726

1.718

1.730

http://www.geminterest.com 

Johachidolite

1.712

1.729

0.007

0.014

3.37

3.45

1.712

1.717

1.717

1.720

1.724

1.729

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

Johachidolite

1.717

1.724

0.007

0.007

3.45

3.45

1.717

1.717

1.720

1.720

1.724

1.724

Gemmological Tables, Ulrich Henn, 2004 

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

 

LOCALITIES

 

CHEMICAL DATA