|
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
(%)