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Faustite
Faustite

Pyrrhotite
Pyrrhotite



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Faustite
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Pyrrhotite

Faustite and Pyrrhotite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.9
Conchoidal
{???} Indistinct
4.5
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
 
-
Soluble
-
4.58-4.65
Uneven
Absent
3.5-4.5
Fe1-xS

Faustite and Pyrrhotite Chemical Formula

While comparing Faustite 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 Faustite and Pyrrhotite chemical formula.

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Faustite and Pyrrhotite Specific Gravity

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