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Ajoite
Ajoite

Augelite
Augelite



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Ajoite
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Ajoite and Augelite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Decomposed by acids
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.96
2.70-2.75
1.5 Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on {010}
From the Greek for luster, for its pearly luster on the cleavage.
1.7 Mohs Hardness
5
4.5-5
1.8 Chemical Composition
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Ajoite and Augelite Chemical Formula

While comparing Ajoite and Augelite 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 Augelite chemical formula.

  • Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
  • Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Ajoite and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.