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Sunstone
Sunstone

Annabergite
Annabergite



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Sunstone
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Annabergite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Weak or absentWalter Schumann
0.01
Transparent, Translucent, Transparent to translucent
1.53-1.55
-
Triclinic
0.007-0.010
Transparent to translucent
 
Subadamantine, Pearly
-
0.03
-
1.622
-
monoclinic
0.065
-