Rutile and Brookite Physical Properties

Rutile

Brookite

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Physical Properties

Tenacity

Brittle

Solubility

Insoluble in acids

Durability

Specific Gravity

4.20-4.303.87-4.14

1 7.18

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Fracture

Uneven, Conchoidal

Subconchoidal, Conchoidal

Cleavage

{110} good, 100 moderate, parting on {092} and {011}

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

Mohs Hardness

6-6.55.5-6

2 10

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Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Rutile and Brookite Chemical Formula

While comparing Rutile 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 Rutile and Brookite chemical formula.

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

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Rutile and Brookite Specific Gravity

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