Allanite and Watermelon Tourmaline Physical Properties

Allanite and Watermelon Tourmaline Chemical Formula

While comparing Allanite 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 Allanite and Watermelon Tourmaline chemical formula.

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• 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.

Allanite and Watermelon Tourmaline Specific Gravity

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