Sapphire and Scheelite Physical Properties

Sapphire

Scheelite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.035.9-6.3

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

None, but may exhibit parting

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

1.7 Mohs Hardness

94.5-5

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Sapphire and Scheelite Chemical Formula

While comparing Sapphire 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 Sapphire and Scheelite chemical formula.

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

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Sapphire and Scheelite Specific Gravity

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