Cerussite and Sillimanite Physical Properties

Cerussite

Sillimanite

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1 Physical Properties

1.1 Tenacity

Not Available

Tough

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.46-6.573.20-3.26

1 7.18

1.5 Fracture

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

Splintery

1.6 Cleavage

Good [110] and [021]

{010} perfect

1.7 Mohs Hardness

3-3.56-7.5

2 10

1.8 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Cerussite and Sillimanite Chemical Formula

While comparing Cerussite and Sillimanite 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 Cerussite and Sillimanite chemical formula.

Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

Cerussite Vs Cubic Zirconia

Cerussite Vs Diamond

Cerussite Vs Danburite

Cerussite and Sillimanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cerussite and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cerussite and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Cerussite is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.