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Pyrrhotite
Pyrrhotite

Faustite
Faustite



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Pyrrhotite
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Faustite

Pyrrhotite and Faustite 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
 
-
-
-
2.9
Conchoidal
{???} Indistinct
4.5
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Pyrrhotite and Faustite Chemical Formula

While comparing Pyrrhotite and Faustite 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 Faustite chemical formula.

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Pyrrhotite and Faustite Specific Gravity

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