Willemite and Hematite Physical Properties

Willemite

Hematite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.89-4.18

Conchoidal, Uneven

{0001}, {11 2 0} imperfect

5.5

Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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)

Willemite and Hematite Chemical Formula

While comparing Willemite 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 Willemite and Hematite chemical formula.

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Willemite and Hematite Specific Gravity

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