Atacamite and Papagoite Physical Properties

Atacamite

Papagoite

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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

3.745-3.7763.25

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Brittle, Metallic

1.6 Cleavage

Perfect on {010}, fair on {101}

Imperfect in one direction

1.7 Mohs Hardness

3-3.55-5.5

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Atacamite and Papagoite Chemical Formula

While comparing Atacamite and Papagoite 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 Papagoite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3
Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Atacamite and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 3.25 whereas that of Papagoite is 3.25.