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Vishnevite
Vishnevite
☒

Violane
Violane
☒



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Vishnevite
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Violane
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
-
0.01
-
1.490-1.507
-
Hexagonal
0.002-0.012
-
 
-
-
0.03
Translucent
1.668-1.703
-
-
0.024-0.030
Translucent

Compare Blue Gemstones

Blue Gemstones

Plumbogummite
Plumbogummite
Riebeckite
Riebeckite
Rosasite
Rosasite
Violane
Cordierite
Violane Vs Cordierite
Violane
Glaucophane
Violane Vs Glaucophane
Violane
Hauyne
Violane Vs Hauyne

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