Demantoid and Sodalite Physical Properties

Demantoid

Sodalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.77-3.952.15-2.40

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

Not Available

Poor on {110}

1.7 Mohs Hardness

6.55-6

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Na₈Al₆Si₆O₂₄Cl₂

Demantoid and Sodalite Chemical Formula

While comparing Demantoid 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 Demantoid and Sodalite chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Demantoid and Sodalite Specific Gravity

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