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Forsterite
Forsterite

Marcasite
Marcasite



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Forsterite
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Marcasite

Forsterite and 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)
 
-
-
-
4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Forsterite and Marcasite Chemical Formula

While comparing Forsterite and 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 Marcasite chemical formula.

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Forsterite and Marcasite Specific Gravity

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