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Andesine
Andesine

Augelite
Augelite



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Andesine and Augelite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.69
2.70-2.75
1.5 Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on {001}, good on {010}
From the Greek for luster, for its pearly luster on the cleavage.
1.7 Mohs Hardness
6-6.5
4.5-5
1.8 Chemical Composition
(Na,Ca)Al1-2Si3-2O8
Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Andesine and Augelite Chemical Formula

While comparing Andesine 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 Andesine and Augelite chemical formula.

  • Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Andesine and Augelite Specific Gravity

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