Papagoite and Annabergite Physical Properties

Papagoite

Annabergite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.253.07

1 7.18

1.5 Fracture

Brittle, Metallic

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Imperfect in one direction

Perfect on {010}, indistinct on {100} and {102}

1.7 Mohs Hardness

5-5.52

2 10

1.8 Chemical Composition

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

Ni3(AsO4)2•8(H2O)

Papagoite and Annabergite Chemical Formula

While comparing Papagoite and Annabergite 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 Annabergite chemical formula.

Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

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Papagoite and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Papagoite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 3.07 whereas that of Annabergite is 3.07.