×

Polyhalite
Polyhalite

Lepidocrocite
Lepidocrocite



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X
Polyhalite
X
Lepidocrocite
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
-
 
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Strong; X = colorless to yellow; Y = orange
0.02
-
1.940
-
Orthorhombic
-9999
-