Faustite and Narsarsukite Physical Properties

Faustite and Narsarsukite Chemical Formula

While comparing Faustite and Narsarsukite 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 Narsarsukite 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 Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Faustite and Narsarsukite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.