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Verdite
Verdite

Corundum
Corundum



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Verdite
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Corundum

Verdite 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
2.80-3.03.90-4.05
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, Uneven, Gems, Difficult, Fibrous
1.6 Cleavage
{110} Good
None – parting in 3 directions
1.7 Mohs Hardness
39
Amber
2 10
1.8 Chemical Composition
NaFeS2•2(H2O)
Al 2O 3Arthur Thomas , Gemstones (2009)

Verdite and Corundum Chemical Formula

While comparing Verdite 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 Verdite and Corundum chemical formula.

  • Chemical formula of Verdite- NaFeS2•2(H2O)
  • Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)

Verdite and Corundum Specific Gravity

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