Chromite and Dumortierite Physical Properties

Chromite

Dumortierite

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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

4.5-4.83.26-3.41

1 7.18

1.5 Fracture

Uneven

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

None, parting may develop along {111}

Distinct on {100}, poor on {110}; parting on {001}

1.7 Mohs Hardness

5.57-8.5

2 10

1.8 Chemical Composition

Fe++Cr2O4

AlAl₆O₃BSi₃O₁₈

Chromite and Dumortierite Chemical Formula

While comparing Chromite and Dumortierite 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 Dumortierite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Chromite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.