Phlogopite and Allanite Physical Properties

Phlogopite and Allanite Chemical Formula

While comparing Phlogopite 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 Phlogopite and Allanite chemical formula.

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Phlogopite and Allanite Specific Gravity

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