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Rubellite
Rubellite

Shigaite
Shigaite



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Rubellite
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Shigaite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
0.02
Transparent, Translucent
1.614-1.666
-
-
0.014-0.040
Transparent
 
Vitreous
Distinct
0.05
-
1.546
-
Trigonal
-9999
-