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Cuprite
Cuprite
☒

Ruby
Ruby
☒



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Cuprite
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Ruby
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Adamantine
visible
0.05
TranslucentWalter Schumann
2.849
-
cubic
-9999
TranslucentWalter Schumann
 
Vitreous, Adamantine
Strong: purplish-red
0.02
Transparent, Translucent, Transparent to opaque
1.762-1.778
-
Trigonal
0.008
Transparent

Compare Red Gemstones

Red Gemstones

Manganotantalite
Manganotantalite
Microlite
Microlite
Mimetite
Mimetite
Ruby
Franklinite
Ruby Vs Franklinite
Ruby
Friedelite
Ruby Vs Friedelite
Ruby
Hexagonite
Ruby Vs Hexagonite

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