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Rubellite
Rubellite
☒

Benitoite
Benitoite
☒



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X
Rubellite
X
Benitoite
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
O = colorless; E = purple
0.04
Transparent
1.757-1.804
-
Hexagonal
0.047
Transparent