Sodalite and Nepouite Physical Properties

Sodalite

Nepouite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.15-2.403.18-3.24

1 7.18

1.5 Fracture

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

Not Available

1.6 Cleavage

Poor on {110}

perfect on {001}

1.7 Mohs Hardness

5-62

2 10

1.8 Chemical Composition

Na₈Al₆Si₆O₂₄Cl₂

Not Available

Sodalite and Nepouite Chemical Formula

While comparing Sodalite and Nepouite 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 Sodalite and Nepouite chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Sodalite and Nepouite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Nepouite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Nepouite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 3.18-3.24 whereas that of Nepouite is 3.18-3.24.