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Falcons Eye
Falcons Eye

Sardonyx
Sardonyx



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Falcons Eye
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Sardonyx
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.58-2.64
-
-
7
SiO 2Walter Schumann , Gemstones of the world (2001)
 
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-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.