Allanite and Cerussite Physical Properties

Allanite

Cerussite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-4.206.46-6.57

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

Good [110] and [021]

1.7 Mohs Hardness

Not Available3-3.5

2 10

1.8 Chemical Composition

Not Available

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

Allanite and Cerussite Chemical Formula

While comparing Allanite 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 Allanite and Cerussite chemical formula.

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

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Allanite and Cerussite Specific Gravity

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