Papagoite and Atacamite Physical Properties

Papagoite

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

3.253.745-3.776

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, Conchoidal, Brittle

1.6 Cleavage

Imperfect in one direction

Perfect on {010}, fair on {101}

1.7 Mohs Hardness

5-5.53-3.5

2 10

1.8 Chemical Composition

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

Cu2Cl(OH)3

Papagoite and Atacamite Chemical Formula

While comparing Papagoite 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 Papagoite and Atacamite chemical formula.

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

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Papagoite and Atacamite Specific Gravity

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