Andean Opal and Austinite Physical Properties

Andean Opal

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

Not Available

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

Not Available

4-4.5

1.8 Chemical Composition

Not Available

CaZn(AsO4)(OH)

Andean Opal and Austinite Chemical Formula

While comparing Andean Opal 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 Andean Opal and Austinite chemical formula.

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

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Andean Opal and Austinite Specific Gravity

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