Papagoite and Austinite Physical Properties

Papagoite

Austinite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Easily soluble in cold dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

3.254.12

1 7.18

1.5 Fracture

Brittle, Metallic

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Imperfect in one direction

Good in two directions parallel to the prism faces {110}

1.7 Mohs Hardness

5-5.54-4.5

2 10

1.8 Chemical Composition

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

CaZn(AsO4)(OH)

Papagoite and Austinite Chemical Formula

While comparing Papagoite and Austinite 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 Austinite chemical formula.

Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Austinite- CaZn(AsO4)(OH)

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Papagoite and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Papagoite and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Austinite Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 4.12 whereas that of Austinite is 4.12.