Verdelite and Allanite Physical Properties

Verdelite and Allanite Chemical Formula

While comparing Verdelite and Allanite 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 Verdelite and Allanite chemical formula.

• 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.
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Verdelite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdelite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdelite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Verdelite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.