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Prase Opal
Prase Opal
☒

Pyrrhotite
Pyrrhotite
☒



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Prase Opal
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Pyrrhotite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
Transparent, Translucent
1.370-1.470
-
-
-9999
Transparent
 
-
-
0.02
-
3
-
monoclinic
-9999
-

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Blue Gemstones

Sardonyx
Sardonyx
Scorzalite
Scorzalite
Serendibite
Serendibite
Pyrrhotite
Pyrophyllite
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Pyrrhotite
Rock Crystal
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Pyrrhotite
Rubellite
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