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Precious Opal
Precious Opal

Faustite
Faustite



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Precious Opal
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Faustite
1 Optical Properties
1.1 Luster
Not Available
Waxy
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent
1.5 Refractive Index
1.370-1.4701.612
Agate Opal
1 3.25
1.8 Optic Character
Not Available
Not Available
1.9 Crystal System
Not Available
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1
1.10 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.14 Clarity
Transparent
Translucent