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Calcite
Calcite

Sardonyx
Sardonyx



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Calcite
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Sardonyx

Calcite and Sardonyx Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
2.67-2.73
Conchoidal
Perfect on [10 1 1] three directions with angle of 74° 55
3
CaCO 3Ulrich Henn and Claudio C.
 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Calcite and Sardonyx Chemical Formula

While comparing Calcite and Sardonyx 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 Calcite and Sardonyx chemical formula.

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Calcite and Sardonyx Specific Gravity

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