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Opal
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Imperial Topaz
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Opal
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Imperial Topaz
Opal
Imperial Topaz
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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
1 Optical Properties
1.2 Luster
Vitreous, Pearly
Not Available
1.3 Pleochroism
None
Not Available
1.4 Dispersion
None
0.01
Fluorite Optical Properties
▶
⊕
0.007
1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Transparent
1.5 Refractive Index
1.37-1.52
1.609-1.643
Agate Opal
▶
⊕
1
3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
Not Available
Not Available
Achroite
▶
⊕
0
0.296
1.11 Clarity
Transparent
Not Available
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