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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

Sekaninaite

1.561

1.576

0.015

0.015

2.53

2.78

greyish blue to bluish violet

Dolni Bory, Vysocina Region, Moravia, Czech Republic

biaxial -

1.561

1.561

1.572

1.572

1.576

1.576

 

inert

inert

The Journal of Gemmology 2016 Vol35, No2, p148-154

 

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

Sekaninaite

1.559

1.573

0.013

0.015

2.7

2.77

1.559

1.559

1.569

1.569

1.573

1.573

http://www.geminterest.com 

Sekaninaite

1.559

1.576

0.015

0.017

2.76

2.77

1.559

1.561

1.572

1.572

1.573

1.576

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

 

CAUSE OF COLOUR

 

MINERAL INCLUSIONS

Inclusion

Stone

Reference

chlorite

Sekaninaite

The Journal of Gemmology 2016, Vol 35, No.2, p151

chloritoid

Sekaninaite

The Journal of Gemmology 2016, Vol 35, No.2, p151

ferrogedrite

Sekaninaite

The Journal of Gemmology 2016, Vol 35, No.2, p151

muscovite

Sekaninaite

The Journal of Gemmology 2016, Vol 35, No.2, p151

orthoclase

Sekaninaite

The Journal of Gemmology 2016, Vol 35, No.2, p151

quartz

Sekaninaite

The Journal of Gemmology 2016, Vol 35, No.2, p151

 

LOCALITIES

STONE

LOCALITIES

REFERENCE

Sekaninaite

Dolni Bory, Velke Mezirici

Vysocina Region

Moravia

Czech Republic

The Journal of Gemmology 2016, Vol 35, No.2, p151







 

CHEMICAL DATA (%)