Atacamite and Verdite Physical Properties

Atacamite

Verdite

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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

3.745-3.7762.80-3.0

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Not Available

1.6 Cleavage

Perfect on {010}, fair on {101}

{110} Good

1.7 Mohs Hardness

3-3.53

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

NaFeS2•2(H2O)

Atacamite and Verdite Chemical Formula

While comparing Atacamite and Verdite 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 Verdite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3
Chemical formula of Verdite- NaFeS2•2(H2O)

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Atacamite and Verdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Verdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Verdite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 2.80-3.0 whereas that of Verdite is 2.80-3.0.