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Amazonite
Amazonite

Corundum
Corundum



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Amazonite and Corundum Physical Properties

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
2.55-2.57
3.90-4.05
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, Uneven, Gems, Difficult, Fibrous
1.6 Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
None – parting in 3 directions
1.7 Mohs Hardness
6-6.5
9
1.8 Chemical Composition
KAlSi3O8
Al 2O 3Arthur Thomas , Gemstones (2009)

Amazonite and Corundum Chemical Formula

While comparing Amazonite 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 Amazonite and Corundum chemical formula.

  • Chemical formula of Amazonite- KAlSi3O8
  • Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)

Amazonite and Corundum Specific Gravity

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