Sodalite and Chromite Physical Properties

Sodalite

Chromite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.15-2.404.5-4.8

1 7.18

1.5 Fracture

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

Uneven

1.6 Cleavage

Poor on {110}

None, parting may develop along {111}

1.7 Mohs Hardness

5-65.5

2 10

1.8 Chemical Composition

Na₈Al₆Si₆O₂₄Cl₂

Fe++Cr2O4

Sodalite and Chromite Chemical Formula

While comparing Sodalite and Chromite 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 Chromite chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂
Chemical formula of Chromite- Fe++Cr2O4

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Sodalite and Chromite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Chromite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 4.5-4.8 whereas that of Chromite is 4.5-4.8.