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Fibrolite
Fibrolite

Vishnevite
Vishnevite



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Fibrolite
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Vishnevite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
DistinctArthur Thomas
0.02
Transparent
1.658-1.678
-
-
-9999
Transparent
 
Vitreous, Pearly
-
0.01
-
1.490-1.507
-
Hexagonal
0.002-0.012
-