Atacamite and Riebeckite Physical Properties

Atacamite

Riebeckite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.745-3.7763.28-3.44

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Uneven, Splintery, Brittle

1.6 Cleavage

Perfect on {010}, fair on {101}

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

1.7 Mohs Hardness

3-3.55.0-6.0

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

Not Available

Atacamite and Riebeckite Chemical Formula

While comparing Atacamite and Riebeckite 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 Riebeckite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3

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Atacamite and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.