Langbeinite and Austinite Physical Properties

Langbeinite

Austinite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Slowly dissolves in water

Easily soluble in cold dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available4.12

1 7.18

1.5 Fracture

Conchoidal, Brittle

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

None

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

1.7 Mohs Hardness

3.5-44-4.5

2 10

1.8 Chemical Composition

Not Available

CaZn(AsO4)(OH)

Langbeinite and Austinite Chemical Formula

While comparing Langbeinite 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 Langbeinite and Austinite chemical formula.

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

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Langbeinite and Austinite Specific Gravity

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