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Grossular
Grossular

Covellite
Covellite



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Grossular
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Covellite

Grossular and Covellite Physical Properties

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
3.55-3.734.6-4.76
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
none
Perfect on {0001}
1.7 Mohs Hardness
7-7.5Not Available
Amber
2 10
1.8 Chemical Composition
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Grossular and Covellite Chemical Formula

While comparing Grossular 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 Grossular and Covellite chemical formula.

  • Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  • Chemical formula of Covellite- CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Grossular and Covellite Specific Gravity

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