Austinite and Phlogopite Physical Properties

Austinite

Phlogopite

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1 Physical Properties

1.1 Tenacity

Brittle

Tough

1.2 Solubility

Easily soluble in cold dilute HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.122.78-2.85

1 7.18

1.5 Fracture

Brittle, Uneven, Brittle, Uneven

None, Uneven

1.6 Cleavage

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

Perfect basal (001)

1.7 Mohs Hardness

4-4.52-2.5

2 10

1.8 Chemical Composition

CaZn(AsO4)(OH)

Not Available

Austinite and Phlogopite Chemical Formula

While comparing Austinite and Phlogopite 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 Phlogopite chemical formula.

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

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Austinite and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.