Scheelite and Charlesite Physical Properties

Scheelite

Charlesite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.9-6.31.79

1 7.18

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Fracture

Conchoidal, Uneven

Irregular/uneven

Cleavage

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

Perfect on {10bar10}

Mohs Hardness

4.5-52.5

2 10

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Chemical Composition

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

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Scheelite and Charlesite Chemical Formula

While comparing Scheelite and Charlesite 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 Charlesite chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

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Scheelite and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 1.79 whereas that of Charlesite is 1.79.