Spinel and Biotite Physical Properties

Spinel and Biotite Chemical Formula

While comparing Spinel 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 Spinel and Biotite chemical formula.

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Spinel and Biotite Specific Gravity

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