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Powellite
Powellite
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Hemimorphite
Hemimorphite
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Powellite
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Hemimorphite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Greasy, Subadamantine
In deeply colored specimens: blue greenAnthony et al
0.03
Transparent
1.974-1.984
-
-
-9999
Transparent
 
Vitreous, Adamantine, Silky
-
0.02
Transparent, Translucent
1.614-1.636
-
Orthorhombic
0.022
Transparent

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