Faustite and Augelite Physical Properties

Faustite and Augelite Chemical Formula

While comparing Faustite 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 Faustite and Augelite chemical formula.

• Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Faustite and Augelite Specific Gravity

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