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Vishnevite
Vishnevite

Pyrargyrite
Pyrargyrite



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Vishnevite
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Pyrargyrite

Vishnevite and Pyrargyrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Adamantine
1.2 Pleochroism
Not Available
Distinct
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent
1.5 Refractive Index
1.490-1.5072.881-3.084
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Trigonal
1.8 Birefringence
0.002-0.0120.203
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Vishnevite and Pyrargyrite Optic Character

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

Similar to their colors, Vishnevite and Pyrargyrite 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.