Wulfenite and Hematite Physical Properties

Wulfenite

Hematite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

6.50-7.005.00-5.30

1 7.18

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Fracture

Irregular, Conchoidal

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

On {011}, distinct; on {001}, {013}, indistinct

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

Mohs Hardness

2 10

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Chemical Composition

PbMoO 4Walter Schumann , Gemstones of the world (2001)

Fe 2O 3Arthur Thomas , Gemstones (2009)

Wulfenite and Hematite Chemical Formula

While comparing Wulfenite and Hematite 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 Wulfenite and Hematite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Wulfenite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.