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Sogdianite
Sogdianite

Verdite
Verdite



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Sogdianite
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Verdite

Sogdianite and Verdite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Silky
1.2 Pleochroism
Not Available
Extreme
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent
1.5 Refractive Index
1.606-1.6081.580
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
1.8 Birefringence
0.002Not Available
Achroite
0 0.296
1.9 Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
Translucent

Sogdianite and Verdite Optic Character

Sogdianite and Verdite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sogdianite and Verdite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Sogdianite and Verdite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Sogdianite and Verdite Transparency

Similar to their colors, Sogdianite and Verdite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Sogdianite is Gemmological Tables (2004) More from other references while Sogdianite is Gemmological Tables (2004) More from other references in appearance.