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Honey Opal
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Howlite
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Honey Opal
Howlite
Honey Opal
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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
NilArthur Thomas
AbsentWalter Schumann
1.3 Dispersion
NA
None
Fluorite Optical Properties
▶
⊕
0.007
1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
1.583-1.608
1.37-1.52
Agate Opal
▶
⊕
1
3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.019
Not Available
Achroite
▶
⊕
0
0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Transparent
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