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Gahnite
Gahnite

Forsterite
Forsterite



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Gahnite
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Forsterite

Gahnite and Forsterite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
3.23-3.26
Conchoidal
Perfect on {010} imperfect on {100}
6.5-7
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Gahnite and Forsterite Chemical Formula

While comparing Gahnite 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 Gahnite and Forsterite chemical formula.

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Gahnite and Forsterite Specific Gravity

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