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Hurlbutite
Hurlbutite

Lazurite
Lazurite



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Hurlbutite
X
Lazurite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.02
Transparent
1.595-1.604
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
0.009
Transparent
 
Vitreous
-
0.02
-
1.500
-
Isometric
-9999
-