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Spinel
Spinel

Sodalite
Sodalite



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Spinel
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Sodalite

Spinel and Sodalite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
none
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.64-3.662.15-2.40
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
1.6 Cleavage
None, but may exhibit slight parting
Poor on {110}
1.7 Mohs Hardness
85-6
Amber
2 10
1.8 Chemical Composition
MgAl2O4
Na8Al6Si6O24Cl2

Spinel and Sodalite Chemical Formula

While comparing Spinel 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 Spinel and Sodalite chemical formula.

  • Chemical formula of Spinel- MgAl2O4
  • Chemical formula of Sodalite- Na8Al6Si6O24Cl2

Spinel and Sodalite Specific Gravity

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