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Sardonyx
Sardonyx

Aragonite
Aragonite



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Sardonyx
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Aragonite

Sardonyx and Aragonite Physical Properties

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.
 
Brittle
Dilute acid
-
2.93-2.96
Subconchoidal, Conchoidal
Distinct on {010}, imperfect {110} and {011}
3.5-4
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sardonyx and Aragonite Chemical Formula

While comparing Sardonyx and Aragonite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Sardonyx and Aragonite chemical formula.

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Sardonyx and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx Vs Aragonite during the identification of gemstone. Specific gravity of Sardonyx is whereas that of Aragonite is .