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Mimetite
Mimetite

Pargasite
Pargasite



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Mimetite
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Pargasite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Resinous, Subadamantine
Weak
0.04
Translucent
2.106-2.263
-
Hexagonal
0.019
Translucent
 
Vitreous
-
0.02
Transparent
1.613-1.663
-
monoclinic
0.020
Transparent