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Caledonite
Caledonite
☒

Star Ruby
Star Ruby
☒



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Caledonite
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Star Ruby
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Weak
0.05
Transparent
1.818-1.909
-
Orthorhombic
0.091
Transparent
 
-
-
0.02
Transparent, Translucent
1.757-1.780
-
-
0.007-0.010
Transparent

Compare Blue Gemstones

Blue Gemstones

Cyprine of Berzelius
Cyprine of Berzelius
Dravite
Dravite
Elbaite
Elbaite
Star Ruby
Chrome-Chalcedony
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Star Ruby
Chrome Tourmaline
Star Ruby Vs Chrome Tourmaline
Star Ruby
Common Opal
Star Ruby Vs Common Opal

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