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Sodalite
Sodalite

Allanite
Allanite



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Sodalite
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Allanite

Sodalite and Allanite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.15-2.403.40-4.20
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
Not Available
1.6 Cleavage
Poor on {110}
Not Available
1.7 Mohs Hardness
5-6Not Available
Amber
2 10
1.8 Chemical Composition
Na8Al6Si6O24Cl2
Not Available

Sodalite and Allanite Chemical Formula

While comparing Sodalite and Allanite 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 Allanite chemical formula.

  • Chemical formula of Sodalite- Na8Al6Si6O24Cl2
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Sodalite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.