Hematite and Vlasovite Physical Properties

Hematite

Vlasovite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Nearly insoluble in HCl and HNO₃

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.302.97

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Conchoidal, Brittle

1.6 Cleavage

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

Distinct on {010}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

Not Available

Hematite and Vlasovite Chemical Formula

While comparing Hematite and Vlasovite 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 Vlasovite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Hematite and Vlasovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Vlasovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Vlasovite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 2.97 whereas that of Vlasovite is 2.97.