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Gypsum
Gypsum

Langbeinite
Langbeinite



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Gypsum
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Langbeinite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Silky, Pearly, Waxy
None
0.01
Transparent, Translucent
1.521-1.531
-
monoclinic
0.010
Transparent
 
Vitreous
-
-
-
1.5329-1.5347
-
cubic
-9999
-