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Forsterite
Forsterite

Pyrrhotite
Pyrrhotite



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Forsterite
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Pyrrhotite

Forsterite and Pyrrhotite 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)
 
-
Soluble
-
4.58-4.65
Uneven
Absent
3.5-4.5
Fe1-xS

Forsterite and Pyrrhotite Chemical Formula

While comparing Forsterite and Pyrrhotite 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 Pyrrhotite chemical formula.

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Forsterite and Pyrrhotite Specific Gravity

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