Austinite and Sylvite Physical Properties

Austinite

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Easily soluble in cold dilute HCl

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.121.993

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 on [100], [010], [001]

1.7 Mohs Hardness

4-4.52.5

2 10

1.8 Chemical Composition

CaZn(AsO4)(OH)

Not Available

Austinite and Sylvite Chemical Formula

While comparing Austinite and Sylvite 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 Sylvite chemical formula.

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

Compare Green Gemstones

Austinite Vs Clintonite

Austinite Vs Apophyllite KF

Austinite Vs Cordierite

Austinite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 1.993 whereas that of Sylvite is 1.993.