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Grossular
Grossular
☒

Pumpellyite
Pumpellyite
☒



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Grossular
X
Pumpellyite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Greasy, Vitreous
None
0.02
-
1.730-1.760
-
cubic
0.020
TransparentUlrich Henn and Claudio C. Milisenda
 
-
-
0.02
-
1.674-1.764
-
monoclinic
0.014-0.016
OpaqueUlrich Henn and Claudio C. Milisenda