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Forsterite
Forsterite

Grandidierite
Grandidierite



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Forsterite
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Grandidierite

Forsterite and Grandidierite 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)
 
-
-
-
2.85-3.00
Uneven
Perfect
7.5
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Forsterite and Grandidierite Chemical Formula

While comparing Forsterite and Grandidierite 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 Grandidierite chemical formula.

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Forsterite and Grandidierite Specific Gravity

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