Brookite and Strontianite Physical Properties

Brookite

Strontianite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.87-4.143.63-3.79

1 7.18

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Fracture

Subconchoidal, Conchoidal

Uneven, Conchoidal

Cleavage

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

{110} Good

Mohs Hardness

5.5-63.5

2 10

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Chemical Composition

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

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

Brookite and Strontianite Chemical Formula

While comparing Brookite and Strontianite 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 Strontianite chemical formula.

Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

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Brookite and Strontianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Strontianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Strontianite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 3.63-3.79 whereas that of Strontianite is 3.63-3.79.