Hematite and Scheelite Physical Properties

Hematite

Scheelite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.305.9-6.3

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

1.7 Mohs Hardness

64.5-5

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Hematite and Scheelite Chemical Formula

While comparing Hematite and Scheelite 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 Scheelite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hematite and Scheelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Scheelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Scheelite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 5.9-6.3 whereas that of Scheelite is 5.9-6.3.