Ajoite and Cerussite Physical Properties

Ajoite

Cerussite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.966.46-6.57

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

Perfect on {010}

Good [110] and [021]

1.7 Mohs Hardness

53-3.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Cerussite Chemical Formula

While comparing Ajoite 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 Ajoite and Cerussite chemical formula.

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

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Ajoite and Cerussite Specific Gravity

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