Sylvite and Scheelite Physical Properties

Sylvite

Scheelite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

1.9935.9-6.3

1 7.18

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Fracture

Uneven

Conchoidal, Uneven

Cleavage

Perfect on [100], [010], [001]

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

Mohs Hardness

2.54.5-5

2 10

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Chemical Composition

KCl

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

Sylvite and Scheelite Chemical Formula

While comparing Sylvite 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 Sylvite and Scheelite chemical formula.

Chemical formula of Sylvite- KCl
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sylvite and Scheelite Specific Gravity

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