Nuummite and Atacamite Physical Properties

Nuummite

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

3.18-3.373.745-3.776

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

Perfect on 210

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

5.5-63-3.5

2 10

1.8 Chemical Composition

Not Available

Cu2Cl(OH)3

Nuummite and Atacamite Chemical Formula

While comparing Nuummite 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 Nuummite and Atacamite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3

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Nuummite and Atacamite Specific Gravity

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