Sodalite and Rosasite Physical Properties

Sodalite

Rosasite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Effervesces in cold

1.3 Durability

Not Available

1.4 Specific Gravity

2.15-2.404-4.2

1 7.18

1.5 Fracture

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

Splintery

1.6 Cleavage

Poor on {110}

Perfect on {100} and {010}

1.7 Mohs Hardness

5-64

2 10

1.8 Chemical Composition

Na₈Al₆Si₆O₂₄Cl₂

Not Available

Sodalite and Rosasite Chemical Formula

While comparing Sodalite and Rosasite 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 Rosasite chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Sodalite and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 4-4.2 whereas that of Rosasite is 4-4.2.