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Vishnevite
Vishnevite

Antigorite
Antigorite



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Vishnevite
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Antigorite

Vishnevite and Antigorite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Waxy, Silky, Resinous, Greasy
1.2 Pleochroism
Not Available
pale greenish yellow.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent
1.5 Refractive Index
1.490-1.5071.530-1.575
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
1.8 Birefringence
0.002-0.012Not Available
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Vishnevite and Antigorite Optic Character

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

Similar to their colors, Vishnevite and Antigorite 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.