Feldspar and Phlogopite Physical Properties

Feldspar and Phlogopite Chemical Formula

While comparing Feldspar 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 Feldspar and Phlogopite chemical formula.

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Feldspar and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Feldspar and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Feldspar and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Feldspar is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.