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Pyrite Marcasite
Pyrite Marcasite

Gahnite
Gahnite



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Pyrite Marcasite
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Gahnite

Pyrite Marcasite and Gahnite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.9-5.2
-
None
6-6.5
FeS2
 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Pyrite Marcasite and Gahnite Chemical Formula

While comparing Pyrite Marcasite and Gahnite 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 Gahnite chemical formula.

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Pyrite Marcasite and Gahnite Specific Gravity

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