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Sodalite
Sodalite

Common Opal
Common Opal



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Sodalite
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Common Opal

Sodalite and Common Opal Physical Properties

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
2.15-2.401.98-2.50
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
Poor on {110}
Not Available
1.7 Mohs Hardness
5-65.5-6.5
Amber
2 10
1.8 Chemical Composition
Na8Al6Si6O24Cl2
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Sodalite and Common Opal Chemical Formula

While comparing Sodalite and Common Opal 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 Common Opal chemical formula.

  • Chemical formula of Sodalite- Na8Al6Si6O24Cl2
  • Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Sodalite and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.