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Imperial Topaz
Imperial Topaz
☒

Blue John
Blue John
☒



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Imperial Topaz
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Blue John
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1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
0.01NA
Fluorite Optical Properties ▶ ⊕
0.007 1
1.5 Transparency
Transparent
Transparent
1.6 Refractive Index
1.609-1.6431.432-1.436
Agate Opal ▶ ⊕
1 3.25
1.7 Optic Character
Not Available
Not Available
1.8 Crystal System
Not Available
Not Available
1.9 Birefringence
Not AvailableNot Available
Achroite ▶ ⊕
0 0.296
1.10 Clarity
Not Available
Transparent

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