×

Cassiterite
Cassiterite
☒

Erythrite
Erythrite
☒



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X
Cassiterite
X
Erythrite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Adamantine, Greasy
Pleochroic haloes have been observed. Dichroic in yellow
0.07
Transparent, Translucent
1.990-2.105
-
tetragonal
0.096-0.098
Transparent
 
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
-