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Pyrite
Pyrite

Pyrophyllite
Pyrophyllite



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Pyrite
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Pyrophyllite

Pyrite and Pyrophyllite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
insoluble in water
-
5.00-5.20
Uneven, Conchoidal, ConchoidalWalter Schumann
Indistinct on {001}; partings on {011} and {111}
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
2.65-2.90
-
{001} Perfect
-9999
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pyrite and Pyrophyllite Chemical Formula

While comparing Pyrite and Pyrophyllite 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 Pyrite and Pyrophyllite chemical formula.

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Pyrite and Pyrophyllite Specific Gravity

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