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Celestine
Celestine

Sogdianite
Sogdianite



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Celestine
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Sogdianite

Celestine and Sogdianite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
Weakly trichroiC
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gems
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.619-1.6351.606-1.608
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.004-0.0120.002
Achroite
0 0.296
1.9 Clarity
Gems
OpaqueUlrich Henn and Claudio C. Milisenda

Celestine and Sogdianite Optic Character

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

Celestine and Sogdianite Transparency

Similar to their colors, Celestine and Sogdianite 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, Celestine is Gems while Celestine is Gems in appearance.