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Linarite
Linarite
☒

Nickeline
Nickeline
☒



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X
Linarite
X
Nickeline
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Sub-Adamantine, Vitreous
X = pale blue; Y = blue; Z = Prussian blue
0.05
Transparent
1.809-1.859
-
monoclinic
0.050
Transparent
 
-
Strong (reflected light)
0.04
-
-9999
-
Hexagonal
-9999
-