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Achroite
Achroite
☒

Ruby
Ruby
☒



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Achroite
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Ruby
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
Transparent, Translucent
1.614-1.666
-
-
0.014-0.040
Transparent
 
Vitreous, Adamantine
Strong: purplish-red
0.02
Transparent, Translucent, Transparent to opaque
1.762-1.778
-
Trigonal
0.008
Transparent

Compare Gems Found in South Asia

Gems Found in South Asia

Aquamarine
Aquamarine
Aventurine
Aventurine
Beryl
Beryl
Ruby
Almandine
Ruby Vs Almandine
Ruby
Amethyst
Ruby Vs Amethyst
Ruby
Ametrine
Ruby Vs Ametrine

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