Scheelite and Sapphirine Physical Properties

Scheelite

Sapphirine

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.9-6.33.40-3.58

1 7.18

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Fracture

Conchoidal, Uneven

Cleavage

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

{010} Perfect

Mohs Hardness

4.5-57.5

2 10

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Chemical Composition

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

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Scheelite and Sapphirine Chemical Formula

While comparing Scheelite and Sapphirine 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 Sapphirine chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Scheelite and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.