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Dumortierite
Dumortierite

Forsterite
Forsterite



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Dumortierite
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Forsterite

Dumortierite and Forsterite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.26-3.41
Fibrous, ConchoidalWalter Schumann
Distinct on {100}, poor on {110}; parting on {001}
7-8.5
AlAl6O3BSi3O18
 
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-
-
3.23-3.26
Conchoidal
Perfect on {010} imperfect on {100}
6.5-7
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Dumortierite and Forsterite Chemical Formula

While comparing Dumortierite and Forsterite 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 Dumortierite and Forsterite chemical formula.

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Dumortierite and Forsterite Specific Gravity

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