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Annabergite
Annabergite

Gypsum
Gypsum



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Annabergite
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Gypsum
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Subadamantine, Pearly
-
0.03
-
1.622
-
monoclinic
0.065
-
 
Vitreous, Silky, Pearly, Waxy
None
0.01
Transparent, Translucent
1.521-1.531
-
monoclinic
0.010
Transparent