Atacamite and Pietersite Physical Properties

Atacamite

Pietersite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.745-3.776Not Available

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Not Available

1.6 Cleavage

Perfect on {010}, fair on {101}

Not Available

1.7 Mohs Hardness

3-3.55

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

Not Available

Atacamite and Pietersite Chemical Formula

While comparing Atacamite and Pietersite 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 Pietersite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3

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Atacamite and Pietersite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Pietersite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Pietersite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is Not Available whereas that of Pietersite is Not Available.