Scheelite and Diaspore Physical Properties

Scheelite

Diaspore

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Physical Properties

Tenacity

Brittle

Very brittle

Solubility

insoluble

Durability

Specific Gravity

5.9-6.33.30-3.40

1 7.18

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Fracture

Conchoidal, Uneven

Conchoidal

Cleavage

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

{010} perfect, {110} distinct, {100} in traces

Mohs Hardness

4.5-56.5-7

2 10

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Chemical Composition

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

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Scheelite and Diaspore Chemical Formula

While comparing Scheelite and Diaspore 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 Diaspore chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Scheelite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.