Scheelite and Sapphire Physical Properties

Scheelite

Sapphire

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.9-6.33.95-4.03

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

None, but may exhibit parting

1.7 Mohs Hardness

4.5-59

2 10

1.8 Chemical Composition

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

Al ₂ O ₃

Scheelite and Sapphire Chemical Formula

While comparing Scheelite and Sapphire 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 Sapphire chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sapphire- Al ₂ O ₃

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Scheelite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.