Realgar and Allanite Physical Properties

Realgar and Allanite Chemical Formula

While comparing Realgar 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 Realgar and Allanite chemical formula.

• Chemical formula of Realgar- AsSMichael O’Donoghue , Gems, Sixth Edition (2006)
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Realgar and Allanite Specific Gravity

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