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Painite
Painite
☒

Ruby
Ruby
☒



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Painite
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Ruby
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
Strong dichroism: yellow-brown red to brown-violet (pinkish samples: nearly colorless pale orangy-pink)Herve Nicolas Lazzarelli
0.02
-
1.787-1.816
-
-
0.029
-
 
Vitreous, Adamantine
Strong: purplish-red
0.02
Transparent, Translucent, Transparent to opaque
1.762-1.778
-
Trigonal
0.008
Transparent