Phlogopite and Demantoid Physical Properties

Phlogopite and Demantoid Chemical Formula

While comparing Phlogopite and Demantoid 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 Demantoid chemical formula.

• Chemical formula of Phlogopite- KMg3(Si3Al)O10(F,OH)2
• Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Phlogopite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.