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Chromite
Chromite

Forsterite
Forsterite



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Chromite
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Forsterite

Chromite and Forsterite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

4.5-4.83.23-3.26
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

None, parting may develop along {111}
Perfect on {010} imperfect on {100}

Mohs Hardness

5.56.5-7
2 10
👆🏻

Chemical Composition

Fe++Cr2O4
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Chromite and Forsterite Chemical Formula

While comparing Chromite 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 Chromite and Forsterite chemical formula.

  • Chemical formula of Chromite- Fe++Cr2O4
  • Chemical formula of Forsterite- Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Chromite and Forsterite Specific Gravity

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