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Pyrite Marcasite
Pyrite Marcasite
☒

Poudretteite
Poudretteite
☒



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Pyrite Marcasite
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Poudretteite

Pyrite Marcasite and Poudretteite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.9-5.2
-
None
6-6.5
FeS2
 
Brittle
-
-
2.51-2.53
Conchoidal, Splintery
None
5
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrite Marcasite and Poudretteite Chemical Formula

While comparing Pyrite Marcasite and Poudretteite 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 Marcasite and Poudretteite chemical formula.

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Pyrite Marcasite and Poudretteite Specific Gravity

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