Simpsonite and Scheelite Physical Properties

Simpsonite

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

Not Available

5.9-6.3

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

7-7.5

4.5-5

1.8 Chemical Composition

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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

Simpsonite and Scheelite Chemical Formula

While comparing Simpsonite 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 Simpsonite and Scheelite chemical formula.

Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Simpsonite and Scheelite Specific Gravity

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