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Precious Opal
Precious Opal

Sodalite
Sodalite



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Precious Opal
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Sodalite

Precious Opal and Sodalite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.252.15-2.40
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Conchoidal, Uneven, UnevenArthur Thomas, Brittle
1.6 Cleavage
Not Available
Poor on {110}
1.7 Mohs Hardness
5-6.55-6
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)
Na8Al6Si6O24Cl2

Precious Opal and Sodalite Chemical Formula

While comparing Precious Opal 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 Precious Opal and Sodalite chemical formula.

  • Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
  • Chemical formula of Sodalite- Na8Al6Si6O24Cl2

Precious Opal and Sodalite Specific Gravity

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