Atacamite and Cryolite Physical Properties

Atacamite

Cryolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.745-3.7762.97

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Uneven

1.6 Cleavage

Perfect on {010}, fair on {101}

None observed

1.7 Mohs Hardness

3-3.52.5

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

Na 3AlF 6Ulrich Henn and Claudio C.

Atacamite and Cryolite Chemical Formula

While comparing Atacamite and Cryolite 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 Atacamite and Cryolite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Atacamite and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 2.97 whereas that of Cryolite is 2.97.