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Erythrite
Erythrite

Uvarovite
Uvarovite



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X
Erythrite
X
Uvarovite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Subadamantine, Pearly
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
0.03
-
1.626-1.629
-
monoclinic
-9999
-
 
Vitreous
-
0.01
Translucent
1.87
-
cubic
-9999
Translucent