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Sardonyx
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Violane
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Sardonyx
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Violane
Sardonyx
Violane
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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.70
3.22-3.40
Amber
▶
⊕
1
7.18
1.4 Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.5 Cleavage
Not Available
Not Available
1.6 Mohs Hardness
6.5-7
5-6
Amber
▶
⊕
2
10
1.7 Chemical Composition
SiO 2Ulrich Henn and Claudio C.
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
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