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Zircon
Zircon

Sogdianite
Sogdianite



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Zircon
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Sogdianite

Zircon and Sogdianite Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.810-2.0241.606-1.608
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.047-0.0550.002
Achroite
0 0.296
1.9 Clarity
Transparent
OpaqueUlrich Henn and Claudio C. Milisenda

Zircon and Sogdianite Optic Character

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

Zircon and Sogdianite Transparency

Similar to their colors, Zircon 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, Zircon is Transparent while Zircon is Transparent in appearance.