Cryolite and Sodalite Physical Properties

Cryolite

Sodalite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.972.15-2.40

1 7.18

1.5 Fracture

Uneven

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

None observed

Poor on {110}

1.7 Mohs Hardness

2.55-6

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

Na₈Al₆Si₆O₂₄Cl₂

Cryolite and Sodalite Chemical Formula

While comparing Cryolite 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 Cryolite and Sodalite chemical formula.

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

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Cryolite and Sodalite Specific Gravity

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