Chromite and Papagoite Physical Properties

Chromite

Papagoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.83.25

1 7.18

1.5 Fracture

Uneven

Brittle, Metallic

1.6 Cleavage

None, parting may develop along {111}

Imperfect in one direction

1.7 Mohs Hardness

5.55-5.5

2 10

1.8 Chemical Composition

Fe++Cr2O4

CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

Chromite and Papagoite Chemical Formula

While comparing Chromite and Papagoite 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 Papagoite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)

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Chromite and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 3.25 whereas that of Papagoite is 3.25.