Faustite and Fibrolite Physical Properties

Faustite and Fibrolite Chemical Formula

While comparing Faustite and Fibrolite 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 Fibrolite 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 Fibrolite- Al 2SiO 5Arthur Thomas , Gemstones (2009)

Faustite and Fibrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Fibrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Fibrolite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 3.14-3.25 whereas that of Fibrolite is 3.14-3.25.