Faustite and Painite Physical Properties

Faustite and Painite Chemical Formula

While comparing Faustite and Painite 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 Painite 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 Painite- CaZrBAl 9O 18Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Faustite and Painite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Painite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Painite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 4.00-4.03 whereas that of Painite is 4.00-4.03.