Natrolite and Allanite Physical Properties

Natrolite and Allanite Chemical Formula

While comparing Natrolite 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 Natrolite and Allanite chemical formula.

• Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
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Natrolite and Allanite Specific Gravity

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