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Marcasite
Marcasite
☒

Pyrrhotite
Pyrrhotite
☒



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Marcasite
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Pyrrhotite

Marcasite and Pyrrhotite 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
 
-
Soluble
-
4.58-4.65
Uneven
Absent
3.5-4.5
Fe1-xS

Marcasite and Pyrrhotite Chemical Formula

While comparing Marcasite and Pyrrhotite 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 Pyrrhotite chemical formula.

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Marcasite and Pyrrhotite Specific Gravity

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