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Forsterite
Forsterite

Feldspar
Feldspar



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Forsterite
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Feldspar

Forsterite and Feldspar 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)
 
-
-
-
2.56-2.75
Uneven, Conchoidal
two or three
6-6.5
KAlSi3O8

Forsterite and Feldspar Chemical Formula

While comparing Forsterite and Feldspar 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 Feldspar chemical formula.

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Forsterite and Feldspar Specific Gravity

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