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Cerussite
Cerussite

Ajoite
Ajoite



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Cerussite
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Cerussite and Ajoite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
insoluble
Decomposed by acids
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
6.46-6.57
2.96
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Not Available
1.6 Cleavage
Good [110] and [021]
Perfect on {010}
1.7 Mohs Hardness
3-3.5
5
1.8 Chemical Composition
PbCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Cerussite and Ajoite Chemical Formula

While comparing Cerussite and Ajoite 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 Ajoite chemical formula.

  • Chemical formula of Cerussite- PbCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Cerussite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cerussite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cerussite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Cerussite is 2.96 whereas that of Ajoite is 2.96.