Forsterite and Chromite Physical Properties

Forsterite

Chromite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.23-3.264.5-4.8

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Uneven

1.6 Cleavage

Perfect on {010} imperfect on {100}

None, parting may develop along {111}

1.7 Mohs Hardness

6.5-75.5

2 10

1.8 Chemical Composition

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

Fe++Cr2O4

Forsterite and Chromite Chemical Formula

While comparing Forsterite and Chromite 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 Chromite chemical formula.

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

Compare Green Gemstones

Forsterite Vs Grandidierite

Forsterite Vs Grossular

Forsterite Vs Hackmanite

Forsterite and Chromite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Chromite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 4.5-4.8 whereas that of Chromite is 4.5-4.8.