Nickeline and Austinite Physical Properties

Nickeline

Austinite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

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, Uneven

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

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

1.7 Mohs Hardness

5-5.54-4.5

2 10

1.8 Chemical Composition

Not Available

CaZn(AsO4)(OH)

Nickeline and Austinite Chemical Formula

While comparing Nickeline 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 Nickeline and Austinite chemical formula.

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

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Nickeline and Austinite Specific Gravity

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