Hematite and Dumortierite Physical Properties

Hematite

Dumortierite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

5.00-5.30

Uneven, ConchoidalWalter Schumann, Conchoidal

None, may show partings on {0001} and {10 1 1}

Fe 2O 3Arthur Thomas , Gemstones (2009)

3.26-3.41

Fibrous, ConchoidalWalter Schumann

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

7-8.5

AlAl₆O₃BSi₃O₁₈

Hematite and Dumortierite Chemical Formula

While comparing Hematite 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 Hematite and Dumortierite chemical formula.

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Hematite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite Vs Dumortierite during the identification of gemstone. Specific gravity of Hematite is whereas that of Dumortierite is .