Brookite and Scheelite Physical Properties

Brookite

Scheelite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.87-4.145.9-6.3

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Poor on {120}, in traces on {001}

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

1.7 Mohs Hardness

5.5-64.5-5

2 10

1.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Brookite and Scheelite Chemical Formula

While comparing Brookite 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 Brookite and Scheelite chemical formula.

Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Brookite and Scheelite Specific Gravity

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