Brookite and Vlasovite Physical Properties

Brookite

Vlasovite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Nearly insoluble in HCl and HNO₃

1.3 Durability

Not Available

1.4 Specific Gravity

3.87-4.142.97

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

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

Distinct on {010}

1.7 Mohs Hardness

5.5-66

2 10

1.8 Chemical Composition

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

Not Available

Brookite and Vlasovite Chemical Formula

While comparing Brookite and Vlasovite 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 Vlasovite chemical formula.

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

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Brookite and Vlasovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Vlasovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Vlasovite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 2.97 whereas that of Vlasovite is 2.97.