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Augite
Augite

Herderite
Herderite



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Augite
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Herderite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Resinous
Pale green
0.02
Transparent, Translucent
1.671-1.774
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
-9999
Transparent
 
Vitreous
-
0.01
Transparent
1.587-1.642
Biaxial/+
monoclinic
0.028-0.032
Transparent