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Copper
Copper

Ettringite
Ettringite



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Copper
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Ettringite

Copper and Ettringite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Partially soluble in water
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available1.77
Amber
1 7.18
1.5 Fracture
Hackly Jagged, torn surfaces, (e.g. fractured metals)., torn surfaces, (e.g. fractured metals).
Not Available
1.6 Cleavage
None
Perfect on {10 1 0}
1.7 Mohs Hardness
2.52-2.5
Amber
2 10
1.8 Chemical Composition
Cu
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Copper and Ettringite Chemical Formula

While comparing Copper and Ettringite 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 Copper and Ettringite chemical formula.

  • Chemical formula of Copper- Cu
  • Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Copper and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Copper and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Copper and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Copper is 1.77 whereas that of Ettringite is 1.77.