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Gaspeite
Gaspeite

Pollucite
Pollucite



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Gaspeite
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Pollucite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.05
-
1.830
-
Trigonal
0.220
-
 
Vitreous, Greasy
-
0.01
Transparent, Translucent
1.517-1.525
-
Isometric
-9999
Transparent