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Sardonyx
Sardonyx
☒

Crystal Quartz
Crystal Quartz
☒



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Sardonyx
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Crystal Quartz
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.
 
-
-
-
-9999
-
None
7
SiO2