Rutile and Forsterite Physical Properties

Rutile

Forsterite

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Physical Properties

Tenacity

Solubility

Insoluble in acids

Durability

Specific Gravity

4.20-4.303.23-3.26

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

{110} good, 100 moderate, parting on {092} and {011}

Perfect on {010} imperfect on {100}

Mohs Hardness

6-6.56.5-7

2 10

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Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Rutile and Forsterite Chemical Formula

While comparing Rutile 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 Rutile and Forsterite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Rutile and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.