Wulfenite and Brookite Physical Properties

Wulfenite

Brookite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

6.50-7.003.87-4.14

1 7.18

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Fracture

Irregular, Conchoidal

Subconchoidal, Conchoidal

Cleavage

On {011}, distinct; on {001}, {013}, indistinct

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

Mohs Hardness

35.5-6

2 10

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Chemical Composition

PbMoO 4Walter Schumann , Gemstones of the world (2001)

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

Wulfenite and Brookite Chemical Formula

While comparing Wulfenite 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 Wulfenite and Brookite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Wulfenite and Brookite Specific Gravity

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