Scheelite and Gahnite Physical Properties

Scheelite

Gahnite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.9-6.34.00-4.62

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven

Conchoidal, Uneven

1.6 Cleavage

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

Indistinct parting on [111]

1.7 Mohs Hardness

4.5-57.5-8

2 10

1.8 Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Scheelite and Gahnite Chemical Formula

While comparing Scheelite and Gahnite 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 Gahnite chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Scheelite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.