Biotite and Phlogopite Physical Properties

Biotite and Phlogopite Chemical Formula

While comparing Biotite and Phlogopite 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 Biotite and Phlogopite chemical formula.

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Biotite and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite Vs Phlogopite during the identification of gemstone. Specific gravity of Biotite is whereas that of Phlogopite is .