Microcline and Austinite Physical Properties

Microcline

Austinite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Easily soluble in cold dilute HCl

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.634.12

1 7.18

1.5 Fracture

Uneven, Uneven, Gems

Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

{001} Perfect, {010} Good

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

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

CaZn(AsO4)(OH)

Microcline and Austinite Chemical Formula

While comparing Microcline 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 Microcline and Austinite chemical formula.

Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Chemical formula of Austinite- CaZn(AsO4)(OH)

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Microcline and Austinite Specific Gravity

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