Rosasite and Austinite Physical Properties

Rosasite

Austinite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Effervesces in cold

Easily soluble in cold dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.24.12

1 7.18

1.5 Fracture

Splintery

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Perfect on {100} and {010}

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

1.7 Mohs Hardness

44-4.5

2 10

1.8 Chemical Composition

Not Available

CaZn(AsO4)(OH)

Rosasite and Austinite Chemical Formula

While comparing Rosasite 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 Rosasite and Austinite chemical formula.

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

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Rosasite and Austinite Specific Gravity

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