Allanite and Rossmanite Physical Properties

Allanite and Rossmanite Chemical Formula

While comparing Allanite and Rossmanite 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 Rossmanite chemical formula.

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• Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Allanite and Rossmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Allanite and Rossmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and Rossmanite Optical Properties during the identification of gemstone. Specific gravity of Allanite is 3 whereas that of Rossmanite is 3.