Poudretteite and Ajoite Physical Properties

Poudretteite

Ajoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.532.96

1 7.18

1.5 Fracture

Conchoidal, Splintery

Not Available

1.6 Cleavage

None

Perfect on {010}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Poudretteite and Ajoite Chemical Formula

While comparing Poudretteite 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 Poudretteite and Ajoite chemical formula.

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

Compare Violet Gemstones

Poudretteite Vs Sapphire

Poudretteite Vs Rutilated Quartz

Poudretteite Vs Rubellite

Poudretteite and Ajoite Specific Gravity

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