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Vishnevite
Vishnevite

Californite
Californite



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Vishnevite
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Californite

Vishnevite and Californite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Not Available
Weak; present colour lighter
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TranslucentWalter Schumann, Gemstones of the world (2001)
1.5 Refractive Index
1.490-1.5071.700-1.725
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
0.002-0.0120.001-0.012
Achroite
0 0.296
1.9 Clarity
Not Available
TranslucentWalter Schumann

Vishnevite and Californite Optic Character

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

Vishnevite and Californite Transparency

Similar to their colors, Vishnevite and Californite 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, Vishnevite is Not Available while Vishnevite is Not Available in appearance.