Faustite and Watermelon Tourmaline Physical Properties

Faustite and Watermelon Tourmaline Chemical Formula

While comparing Faustite and Watermelon Tourmaline 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 Watermelon Tourmaline 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 Watermelon Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Faustite and Watermelon Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Faustite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Faustite is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.