Brookite and Cerussite Physical Properties

Brookite

Cerussite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.87-4.146.46-6.57

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

1.6 Cleavage

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

Good [110] and [021]

1.7 Mohs Hardness

5.5-63-3.5

2 10

1.8 Chemical Composition

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

PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Brookite and Cerussite Chemical Formula

While comparing Brookite and Cerussite 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 Cerussite chemical formula.

Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Brookite and Cerussite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Cerussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Cerussite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 6.46-6.57 whereas that of Cerussite is 6.46-6.57.