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Forsterite
Forsterite

Pyrite Marcasite
Pyrite Marcasite



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Forsterite
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Pyrite Marcasite

Forsterite and Pyrite Marcasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.23-3.26
Conchoidal
Perfect on {010} imperfect on {100}
6.5-7
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
4.9-5.2
-
None
6-6.5
FeS2

Forsterite and Pyrite Marcasite Chemical Formula

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

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Forsterite and Pyrite Marcasite Specific Gravity

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