×

Cordierite
Cordierite
☒

Prase Opal
Prase Opal
☒



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X
Cordierite
X
Prase Opal
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Greasy, Vitreous
X = pale yellow
0.01
-
-9999
-
Orthorhombic
-9999
-
 
-
-
0.01
Transparent, Translucent
1.370-1.470
-
-
-9999
Transparent

Compare Blue Gemstones

Blue Gemstones

Rosasite
Rosasite
Scorodite
Scorodite
Sulfur
Sulfur
Prase Opal
Hauyne
Prase Opal Vs Hauyne
Prase Opal
Kainite
Prase Opal Vs Kainite
Prase Opal
Lawsonite
Prase Opal Vs Lawsonite

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