Marialite and Sodalite Physical Properties

Marialite

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

2.502.15-2.40

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

Distinct on {100} and {110}

Poor on {110}

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Na₈Al₆Si₆O₂₄Cl₂

Marialite and Sodalite Chemical Formula

While comparing Marialite 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 Marialite and Sodalite chemical formula.

Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Marialite and Sodalite Specific Gravity

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