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Sodalite
Sodalite

Adamite
Adamite



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Sodalite
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Adamite

Sodalite and Adamite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.15-2.404.32-4.48
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
1.6 Cleavage
Poor on {110}
{101}, good; {010}, poor
1.7 Mohs Hardness
5-63.5
Amber
2 10
1.8 Chemical Composition
Na8Al6Si6O24Cl2
Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)

Sodalite and Adamite Chemical Formula

While comparing Sodalite and Adamite 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 Adamite chemical formula.

  • Chemical formula of Sodalite- Na8Al6Si6O24Cl2
  • Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)

Sodalite and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Adamite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 4.32-4.48 whereas that of Adamite is 4.32-4.48.