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Sogdianite
Sogdianite

Pearl
Pearl



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Sogdianite and Pearl Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Pearly
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Translucent, Opaque
1.5 Refractive Index
1.606-1.608
1.52-1.66
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.002
0.156
1.9 Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
Translucent

Sogdianite and Pearl Optic Character

Sogdianite and Pearl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sogdianite and Pearl 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 Pearl 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 Pearl Transparency

Similar to their colors, Sogdianite and Pearl 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.