Vishnevite and Austinite Physical Properties

Vishnevite

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

Not Available

4.12

1.5 Fracture

Brittle, Uneven

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Perfect

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

1.7 Mohs Hardness

5-6

4-4.5

1.8 Chemical Composition

Not Available

CaZn(AsO4)(OH)

Vishnevite and Austinite Chemical Formula

While comparing Vishnevite 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 Vishnevite and Austinite chemical formula.

Chemical formula of Austinite- CaZn(AsO4)(OH)

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Vishnevite and Austinite Specific Gravity

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