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Heliotrope
Heliotrope

Moonstone
Moonstone



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Heliotrope
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Moonstone
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.01
-
1.53-1.54
-
Trigonal
0.004
-
 
Pearly
-
0.01
Transparent, Transparent to translucent
1.518-1.527
-
monoclinic
0.006-0.007
Transparent