Scheelite and Hauyne Physical Properties

Scheelite

Hauyne

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Physical Properties

Tenacity

Brittle

Solubility

Gelatinises in acids

Durability

Specific Gravity

5.9-6.32.4-2.5

1 7.18

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Fracture

Conchoidal, Uneven

Uneven, Conchoidal

Cleavage

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

Distinct on {110}

Mohs Hardness

4.5-55-6

2 10

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Chemical Composition

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

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

Scheelite and Hauyne Chemical Formula

While comparing Scheelite and Hauyne 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 Hauyne chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

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Scheelite and Hauyne Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Hauyne Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Hauyne Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 2.4-2.5 whereas that of Hauyne is 2.4-2.5.