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Anhydrite
Anhydrite




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Optical Properties

Luster

Pearly, Greasy

Pleochroism

For violet varieties

Dispersion

0.01
Rank: 59 (Overall)
0.005 1
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Transparency

Transparent

Refractive Index

1.570-1.614
1 3.25
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Optic Character

-

Crystal System

Orthorhombic

Birefringence

0.042-0.044
0 0.296
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Clarity

Transparent