Albite and Austinite Physical Properties

Albite

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

2.60-2.654.12

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Perfect on {001}, very good on {010}, imperfect on {110}

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

1.7 Mohs Hardness

6-6.54-4.5

2 10

1.8 Chemical Composition

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

CaZn(AsO4)(OH)

Albite and Austinite Chemical Formula

While comparing Albite 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 Albite and Austinite chemical formula.

Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Austinite- CaZn(AsO4)(OH)

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Albite and Austinite Specific Gravity

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