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Corundum
Corundum

Copper
Copper



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Corundum
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Copper

Corundum and Copper Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.90-4.05Not Available
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Difficult, Fibrous
Hackly Jagged, torn surfaces, (e.g. fractured metals)., torn surfaces, (e.g. fractured metals).
1.6 Cleavage
None – parting in 3 directions
None
1.7 Mohs Hardness
92.5
Amber
2 10
1.8 Chemical Composition
Al 2O 3Arthur Thomas , Gemstones (2009)
Cu

Corundum and Copper Chemical Formula

While comparing Corundum and Copper 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 Corundum and Copper chemical formula.

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

Corundum and Copper Specific Gravity

Another important criteria for qualitative analysis of gemstones is Corundum and Copper Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Corundum and Copper Optical Properties during the identification of gemstone. Specific gravity of Corundum is Not Available whereas that of Copper is Not Available.