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Anhydrite
Anhydrite

Jasper
Jasper



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Anhydrite
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Jasper
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Pearly, Greasy
For violet varieties
0.01
Transparent
1.570-1.614
-
Orthorhombic
0.042-0.044
Transparent
 
Vitreous
-
0.01
Opaque
1.540
-
Trigonal
-9999
OpaqueHerve Nicolas Lazzarelli