Amethyst and Augelite Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
2.70-2.75
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Indiscernible
From the Greek for luster, for its pearly luster on the cleavage.
Chemical Composition
SiO2
Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Amethyst and Augelite Chemical Formula
While comparing Amethyst 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 Amethyst and Augelite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Amethyst and Augelite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Augelite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.70-2.75 whereas that of Augelite is 2.70-2.75.