Unakite and Sodalite Physical Properties

Unakite

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

2.85-3.202.15-2.40

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

6-75-6

2 10

1.8 Chemical Composition

Not Available

Na₈Al₆Si₆O₂₄Cl₂

Unakite and Sodalite Chemical Formula

While comparing Unakite 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 Unakite and Sodalite chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Unakite and Sodalite Specific Gravity

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