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Mellite
Mellite

Covellite
Covellite



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Mellite
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Covellite

Mellite and Covellite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Flexible
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.58-1.604.6-4.76
Amber
1 7.18
1.5 Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
{011} Imperfect
Perfect on {0001}
1.7 Mohs Hardness
2Not Available
Amber
2 10
1.8 Chemical Composition
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Mellite and Covellite Chemical Formula

While comparing Mellite and Covellite 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 Mellite and Covellite chemical formula.

  • Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
  • Chemical formula of Covellite- CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Mellite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mellite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mellite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Mellite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.