Nickeline and Sodalite Physical Properties

Nickeline

Sodalite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.15-2.40

1 7.18

1.5 Fracture

Conchoidal, Uneven

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

Poor on {110}

1.7 Mohs Hardness

5-5.55-6

2 10

1.8 Chemical Composition

Not Available

Na₈Al₆Si₆O₂₄Cl₂

Nickeline and Sodalite Chemical Formula

While comparing Nickeline 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 Nickeline and Sodalite chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Nickeline and Sodalite Specific Gravity

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