Cuprite and Chromite Physical Properties

Cuprite

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

5.85-6.154.5-4.8

1 7.18

1.5 Fracture

Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Uneven

1.6 Cleavage

Fair in four directions forming octahedrons

None, parting may develop along {111}

1.7 Mohs Hardness

3.5-45.5

2 10

1.8 Chemical Composition

Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fe++Cr2O4

Cuprite and Chromite Chemical Formula

While comparing Cuprite 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 Cuprite and Chromite chemical formula.

Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chromite- Fe++Cr2O4

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Cuprite and Chromite Specific Gravity

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