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Neptunite
Neptunite
☒

Ruby
Ruby
☒



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Neptunite
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Ruby
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
x=yellow-orange
0.03
Translucent
1.692-1.734
-
monoclinic
0.0294-0.0452
Translucent
 
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

Rutile
Rutile
Sarcopside
Sarcopside
Schorlomite
Schorlomite
Ruby
Pyrope Spessartine
Ruby Vs Pyrope Spessartine
Ruby
Pyroxmangite
Ruby Vs Pyroxmangite
Ruby
Realgar
Ruby Vs Realgar

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