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Crystal Opal
Crystal Opal
☒

Serendibite
Serendibite
☒



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Crystal Opal
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1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
visible
1.3 Dispersion
NoneNA
Fluorite Optical Properties ▶ ⊕
0.007 1
1.9 Transparency
Transparent
Gemmological Tables (2004) More from other references
1.10 Refractive Index
1.370-1.1.696-1.702
Agate Opal ▶ ⊕
1 3.25
1.12 Optic Character
Not Available
Not Available
1.13 Crystal System
Not Available
Triclinic
1.14 Birefringence
Not Available0.005
Achroite ▶ ⊕
0 0.296
1.15 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

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