Chromite and Eosphorite Physical Properties

Chromite

Eosphorite

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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

4.5-4.83.05-3.08

1 7.18

1.5 Fracture

Uneven

Subconchoidal, Uneven, Conchoidal, Uneven

1.6 Cleavage

None, parting may develop along {111}

Poor on {100}

1.7 Mohs Hardness

5.55

2 10

1.8 Chemical Composition

Fe++Cr2O4

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Chromite and Eosphorite Chemical Formula

While comparing Chromite and Eosphorite 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 Eosphorite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Chromite and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.