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Nosean
Nosean

Corundum
Corundum



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Nosean
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Corundum

Nosean and Corundum Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.30-2.403.90-4.05
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Uneven, Gems, Difficult, Fibrous
1.6 Cleavage
{110} Perfect
None – parting in 3 directions
1.7 Mohs Hardness
Not Available9
Amber
2 10
1.8 Chemical Composition
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Al 2O 3Arthur Thomas , Gemstones (2009)

Nosean and Corundum Chemical Formula

While comparing Nosean and Corundum 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 Nosean and Corundum chemical formula.

  • Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
  • Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)

Nosean and Corundum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nosean and Corundum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nosean and Corundum Optical Properties during the identification of gemstone. Specific gravity of Nosean is 3.90-4.05 whereas that of Corundum is 3.90-4.05.