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Kainite
Kainite
☒

Biotite
Biotite
☒



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X
Kainite
X
Biotite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Visible: X = violet
0.02
-
1.494
-
monoclinic
0.022
-
 
Vitreous, Pearly
Strong
-
-
1.565-1.625
-
monoclinic
0.03-0.07
-

Compare Blue Gemstones

Blue Gemstones

Sylvite
Sylvite
Paraiba
Paraiba
Hauyne
Hauyne
Biotite
Plumbogummite
Biotite Vs Plumbogummite
Biotite
Riebeckite
Biotite Vs Riebeckite
Biotite
Rosasite
Biotite Vs Rosasite

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