Apatite and Biotite Physical Properties

Apatite and Biotite Chemical Formula

While comparing Apatite and Biotite 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 Apatite and Biotite chemical formula.

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Apatite and Biotite Specific Gravity

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