Ajoite and Poudretteite Physical Properties

Ajoite

Poudretteite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.962.51-2.53

1 7.18

1.5 Fracture

Not Available

Conchoidal, Splintery

1.6 Cleavage

Perfect on {010}

None

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Ajoite and Poudretteite Chemical Formula

While comparing Ajoite and Poudretteite 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 Poudretteite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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Ajoite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.