Scheelite and Sellaite Physical Properties

Scheelite

Sellaite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.9-6.33.14-3.16

1 7.18

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Fracture

Conchoidal, Uneven

Conchoidal

Cleavage

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

Perfect on {010} and {110}

Mohs Hardness

4.5-55-5.5

2 10

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Chemical Composition

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

MgF 2Ulrich Henn and Claudio C.

Scheelite and Sellaite Chemical Formula

While comparing Scheelite and Sellaite 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 Scheelite and Sellaite chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.

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Scheelite and Sellaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Sellaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Sellaite Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 3.14-3.16 whereas that of Sellaite is 3.14-3.16.