Augelite and Pyrophyllite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.70-2.75
2.65-2.90
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Gemstones (2009), Flexible Flexible fragments.
Cleavage
From the Greek for luster, for its pearly luster on the cleavage.
{001} Perfect
Mohs Hardness
4.5-5
Not Available
Chemical Composition
Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Augelite and Pyrophyllite Chemical Formula
While comparing Augelite and Pyrophyllite 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 Pyrophyllite chemical formula.
- Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Augelite and Pyrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Augelite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augelite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Augelite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.