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Marcasite
Marcasite

Covellite
Covellite



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Marcasite
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Covellite

Marcasite and Covellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Flexible
-
-
4.6-4.76
-
Perfect on {0001}
-9999
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Marcasite and Covellite Chemical Formula

While comparing Marcasite 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 Marcasite and Covellite chemical formula.

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Marcasite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite Vs Covellite during the identification of gemstone. Specific gravity of Marcasite is whereas that of Covellite is .