Phlogopite and Vivianite Physical Properties

Phlogopite and Vivianite Chemical Formula

While comparing Phlogopite and Vivianite 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 Vivianite chemical formula.

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• Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Phlogopite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.