Sodalite and Ajoite Physical Properties

Sodalite

Ajoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.15-2.402.96

1 7.18

1.5 Fracture

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

Not Available

1.6 Cleavage

Poor on {110}

Perfect on {010}

1.7 Mohs Hardness

5-65

2 10

1.8 Chemical Composition

Na₈Al₆Si₆O₂₄Cl₂

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Sodalite and Ajoite Chemical Formula

While comparing Sodalite and Ajoite 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 Ajoite chemical formula.

Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Sodalite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 2.96 whereas that of Ajoite is 2.96.