Brookite and Fayalite Physical Properties

Brookite

Fayalite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

3.87-4.14

Subconchoidal, Conchoidal

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

5.5-6

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

4.392

Conchoidal

{010} moderate, {100} imperfect

6.5-7

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Brookite and Fayalite Chemical Formula

While comparing Brookite and Fayalite 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 Fayalite chemical formula.

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Brookite and Fayalite Specific Gravity

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