Scheelite and Tantalite Physical Properties

Scheelite

Tantalite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.9-6.35.2

1 7.18

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Fracture

Conchoidal, Uneven

Subconchoidal, Conchoidal

Cleavage

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

Good in one direction

Mohs Hardness

4.5-56-6.5

2 10

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Chemical Composition

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

(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Scheelite and Tantalite Chemical Formula

While comparing Scheelite and Tantalite 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 Tantalite chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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Scheelite and Tantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Tantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Tantalite Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 5.2 whereas that of Tantalite is 5.2.