Chromite and Aragonite Physical Properties

Chromite

Aragonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.82.93-2.96

1 7.18

1.5 Fracture

Uneven

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

None, parting may develop along {111}

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

5.53.5-4

2 10

1.8 Chemical Composition

Fe++Cr2O4

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Chromite and Aragonite Chemical Formula

While comparing Chromite and Aragonite 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 Aragonite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chromite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.