Sugilite and Allanite Physical Properties

Sugilite and Allanite Chemical Formula

While comparing Sugilite 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 Sugilite and Allanite chemical formula.

• Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
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Sugilite and Allanite Specific Gravity

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