Wardite and Verdelite Physical Properties

Wardite and Verdelite Chemical Formula

While comparing Wardite and Verdelite 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 Wardite and Verdelite chemical formula.

• Chemical formula of Wardite- NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Verdelite- 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.

Wardite and Verdelite Specific Gravity

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