Faustite and Glass Physical Properties

Faustite and Glass Chemical Formula

While comparing Faustite and Glass 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 Glass 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 Glass- SiO₂

Faustite and Glass Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Glass Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Glass Optical Properties during the identification of gemstone. Specific gravity of Faustite is 2.39-4.00 whereas that of Glass is 2.39-4.00.