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Sphene
Sphene
☒

Friedelite
Friedelite
☒



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Sphene
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Friedelite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.05
-
1.84-2.11
-
monoclinic
-9999
-
 
-
-
0.04
Translucent
1.627-1.663
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
0.032-0.035
Translucent

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Friedelite Vs Biotite

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