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Pollucite
Pollucite

Langbeinite
Langbeinite



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Langbeinite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Greasy
-
0.01
Transparent, Translucent
1.517-1.525
-
Isometric
-9999
Transparent
 
Vitreous
-
-
-
1.5329-1.5347
-
cubic
-9999
-