Chromite and Brucite Physical Properties

Chromite

Brucite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.82.39

1 7.18

1.5 Fracture

Uneven

Irregular

1.6 Cleavage

None, parting may develop along {111}

Perfect on {0001}

1.7 Mohs Hardness

5.52.5

2 10

1.8 Chemical Composition

Fe++Cr2O4

Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Chromite and Brucite Chemical Formula

While comparing Chromite and Brucite 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 Brucite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Chromite and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Brucite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.39 whereas that of Brucite is 2.39.