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Smithsonite
Smithsonite

Linarite
Linarite



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X
Smithsonite
X
Linarite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
-
0.01
Translucent
1.620-1.850
-
Trigonal
0.223-0.227
Translucent
 
Sub-Adamantine, Vitreous
X = pale blue; Y = blue; Z = Prussian blue
0.05
Transparent
1.809-1.859
-
monoclinic
0.050
Transparent