Sodalite and Cryolite Physical Properties

Sodalite

Cryolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.15-2.402.97

1 7.18

1.5 Fracture

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

Uneven

1.6 Cleavage

Poor on {110}

None observed

1.7 Mohs Hardness

5-62.5

2 10

1.8 Chemical Composition

Na₈Al₆Si₆O₂₄Cl₂

Na 3AlF 6Ulrich Henn and Claudio C.

Sodalite and Cryolite Chemical Formula

While comparing Sodalite and Cryolite 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 Cryolite chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Sodalite and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 2.97 whereas that of Cryolite is 2.97.