Atacamite and Hanksite Physical Properties

Atacamite

Hanksite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Readily soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.745-3.7762.562

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Uneven, Conchoidal, Brittle

1.6 Cleavage

Perfect on {010}, fair on {101}

Good on {0001}

1.7 Mohs Hardness

3-3.53-3.5

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

KNa22(SO4)9(CO3)2Cl

Atacamite and Hanksite Chemical Formula

While comparing Atacamite and Hanksite 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 Hanksite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3
Chemical formula of Hanksite- KNa22(SO4)9(CO3)2Cl

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Atacamite and Hanksite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Hanksite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Hanksite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 2.562 whereas that of Hanksite is 2.562.