Chromite and Apophyllite Physical Properties

Chromite

Apophyllite

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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

4.5-4.82.30-2.50

1 7.18

1.5 Fracture

Uneven

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

None, parting may develop along {111}

Perfect on (001)

1.7 Mohs Hardness

5.54.5-5

2 10

1.8 Chemical Composition

Fe++Cr2O4

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Chromite and Apophyllite Chemical Formula

While comparing Chromite and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Chromite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.