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Cerussite
Cerussite

Sillimanite
Sillimanite



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Cerussite
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Sillimanite

Cerussite and Sillimanite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Tough
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
6.46-6.573.20-3.26
Amber
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
Amber
2 10
1.8 Chemical Composition
PbCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2SiO 5Michael O’Donoghue , 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 O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Sillimanite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)

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.