Vishnevite and Brookite Physical Properties

Vishnevite

Brookite

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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 Available3.87-4.14

1 7.18

1.5 Fracture

Brittle, Uneven

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

1.6 Cleavage

Perfect

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

1.7 Mohs Hardness

5-65.5-6

2 10

1.8 Chemical Composition

Not Available

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

Vishnevite and Brookite Chemical Formula

While comparing Vishnevite and Brookite 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 Vishnevite and Brookite chemical formula.

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

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Vishnevite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.