Microcline and Sodalite Physical Properties

Microcline

Sodalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.632.15-2.40

1 7.18

1.5 Fracture

Uneven, Uneven, Gems

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

{001} Perfect, {010} Good

Poor on {110}

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Na₈Al₆Si₆O₂₄Cl₂

Microcline and Sodalite Chemical Formula

While comparing Microcline and Sodalite 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 Sodalite chemical formula.

Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Microcline and Sodalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Microcline and Sodalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Microcline and Sodalite Optical Properties during the identification of gemstone. Specific gravity of Microcline is 2.15-2.40 whereas that of Sodalite is 2.15-2.40.