Caledonite and Chromite Physical Properties

Caledonite

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

5.6-5.764.5-4.8

1 7.18

1.5 Fracture

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

Uneven

1.6 Cleavage

[001] perfect; [100] distinct

None, parting may develop along {111}

1.7 Mohs Hardness

2.5-35.5

2 10

1.8 Chemical Composition

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Fe++Cr2O4

Caledonite and Chromite Chemical Formula

While comparing Caledonite 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 Caledonite and Chromite chemical formula.

Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Chromite- Fe++Cr2O4

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Caledonite and Chromite Specific Gravity

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