Variscite and Scheelite Physical Properties

Variscite

Scheelite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.42-2.585.9-6.3

1 7.18

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Fracture

Conchoidal, Splintery, ConchoidalWalter Schumann

Conchoidal, Uneven

Cleavage

[010] perfect

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

Mohs Hardness

4-54.5-5

2 10

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Chemical Composition

AlPO₄ · 2(H₂O)

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

Variscite and Scheelite Chemical Formula

While comparing Variscite 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 Variscite and Scheelite chemical formula.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Variscite and Scheelite Specific Gravity

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