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Pyrrhotite
Pyrrhotite
☒

Pargasite
Pargasite
☒



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Pyrrhotite
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Pargasite

Pyrrhotite and Pargasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Soluble
-
4.58-4.65
Uneven
Absent
3.5-4.5
Fe1-xS
 
-
-
-
3.04-3.26
Splintery, Uneven
{110} perfect
5-6
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrrhotite and Pargasite Chemical Formula

While comparing Pyrrhotite and Pargasite 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 Pyrrhotite and Pargasite chemical formula.

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Pyrrhotite and Pargasite Specific Gravity

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