Sardonyx and Atacamite Physical Properties

Sardonyx

Atacamite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.703.745-3.776

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

Not Available

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

6.5-73-3.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Cu2Cl(OH)3

Sardonyx and Atacamite Chemical Formula

While comparing Sardonyx and Atacamite 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 Atacamite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Atacamite- Cu2Cl(OH)3

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Sardonyx and Atacamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.