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Crystal Opal
Crystal Opal
☒

Pezzotaite
Pezzotaite
☒



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Crystal Opal
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Pezzotaite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
Transparent
1.370-1.
-
-
-9999
Transparent
 
-
-
0.02
-
1.60-1.61
-
Trigonal
-9999
-

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