Rhodochrosite and Sodalite Physical Properties

Rhodochrosite

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

3.0-3.3

2.15-2.40

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

On {10 1 1} perfect; parting on {10 1 2}

Poor on {110}

1.7 Mohs Hardness

3.5-4

5-6

1.8 Chemical Composition

MnCO₃

Na₈Al₆Si₆O₂₄Cl₂

Rhodochrosite and Sodalite Chemical Formula

While comparing Rhodochrosite 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 Rhodochrosite and Sodalite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Rhodochrosite and Sodalite Specific Gravity

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