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Augelite
Augelite

Kyanite
Kyanite



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Augelite
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Kyanite

Augelite and Kyanite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.70-2.753.53-3.65
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Splintery, Brittle, Metallic
1.6 Cleavage
From the Greek for luster, for its pearly luster on the cleavage.
[100] perfect [010] imperfect with 79° angle between
1.7 Mohs Hardness
4.5-54-7
Amber
2 10
1.8 Chemical Composition
Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Augelite and Kyanite Chemical Formula

While comparing Augelite and Kyanite 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 Augelite and Kyanite chemical formula.

  • Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
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Augelite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Augelite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Augelite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.