Dravite and Forsterite Physical Properties

Dravite

Forsterite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.03-3.18

Uneven, Irregular, Conchoidal

{???} Indistinct

7-7.5

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

3.23-3.26

Conchoidal

Perfect on {010} imperfect on {100}

6.5-7

Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Dravite and Forsterite Chemical Formula

While comparing Dravite 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 Dravite and Forsterite chemical formula.

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Dravite and Forsterite Specific Gravity

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