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Polyhalite
Polyhalite
☒

Shortite
Shortite
☒



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Polyhalite
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Shortite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Resinous
-
0.02
-
1.546-1.548
-
Triclinic
0.021
-
 
-
Yellow green grayUlrich Henn and Claudio C. Milisenda
0.02
-
1.530-1.569
-
Orthorhombic
0.039
TransparentUlrich Henn and Claudio C. Milisenda