Austinite and Richterite Physical Properties

Austinite

Richterite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Easily soluble in cold dilute HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.123.0-3.5

1 7.18

1.5 Fracture

Brittle, Uneven, Brittle, Uneven

Uneven, Brittle

1.6 Cleavage

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

Perfect

1.7 Mohs Hardness

4-4.55-6

2 10

1.8 Chemical Composition

CaZn(AsO4)(OH)

Not Available

Austinite and Richterite Chemical Formula

While comparing Austinite and Richterite 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 Austinite and Richterite chemical formula.

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

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Austinite and Richterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Richterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Richterite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.0-3.5 whereas that of Richterite is 3.0-3.5.