Faustite and Sogdianite Physical Properties

Faustite and Sogdianite Chemical Formula

While comparing Faustite and Sogdianite 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 Sogdianite 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 Sogdianite- (K,Na) 2(Li,Fe) 3(Zr,Ti,Fe)Si 12O 30Ulrich Henn and Claudio C.

Faustite and Sogdianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Sogdianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Sogdianite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 2.77-2.90 whereas that of Sogdianite is 2.77-2.90.