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Chromite
Chromite

Boulder Opal
Boulder Opal



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Chromite
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Boulder Opal
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
none.
0.04
-
2.08-2.16
-
Isometric
-9999
-
 
-
-
0.01
Transparent, Translucent
1.370-1.470
-
-
-9999
Transparent