Albite and Chromite Physical Properties

Albite

Chromite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.654.5-4.8

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

Uneven

1.6 Cleavage

Perfect on {001}, very good on {010}, imperfect on {110}

None, parting may develop along {111}

1.7 Mohs Hardness

6-6.55.5

2 10

1.8 Chemical Composition

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Fe++Cr2O4

Albite and Chromite Chemical Formula

While comparing Albite 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 Albite and Chromite chemical formula.

Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Chromite- Fe++Cr2O4

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Albite and Chromite Specific Gravity

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