Pezzottaite and Scheelite Physical Properties

Pezzottaite

Scheelite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.145.9-6.3

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

Imperfect; basal

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

1.7 Mohs Hardness

7.5-84.5-5

2 10

1.8 Chemical Composition

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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

Pezzottaite and Scheelite Chemical Formula

While comparing Pezzottaite 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 Pezzottaite and Scheelite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Pezzottaite and Scheelite Specific Gravity

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