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Star Ruby
Star Ruby

Augelite
Augelite



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Star Ruby
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Augelite

Star Ruby and Augelite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.95-4.102.70-2.75
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
From the Greek for luster, for its pearly luster on the cleavage.
1.7 Mohs Hardness
Not Available4.5-5
Amber
2 10
1.8 Chemical Composition
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Star Ruby and Augelite Chemical Formula

While comparing Star Ruby 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 Star Ruby and Augelite chemical formula.

  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Star Ruby and Augelite Specific Gravity

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