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Sanidine
Sanidine
☒

Biotite
Biotite
☒



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Sanidine
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Biotite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
Transparent
1.518-1.536
-
-
0.005-0.008
Transparent
 
Vitreous, Pearly
Strong
-
-
1.565-1.625
-
monoclinic
0.03-0.07
-

Compare Blue Gemstones

Blue Gemstones

Star Ruby
Star Ruby
Star Sapphire
Star Sapphire
Starlite
Starlite
Biotite
Sardonyx
Biotite Vs Sardonyx
Biotite
Scorzalite
Biotite Vs Scorzalite
Biotite
Serendibite
Biotite Vs Serendibite

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