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Papagoite
Papagoite
☒

Cryolite
Cryolite
☒



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Papagoite
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Cryolite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Trichroic
0.01
Transparent
1.607-1.672
-
monoclinic
0.065
Transparent
 
Vitreous, Greasy, Pearly
colorless.
0.01
-
1.338-1.339
-
monoclinic
0.001
TransparentUlrich Henn and Claudio C. Milisenda

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