Phlogopite and Zoisite Physical Properties

Phlogopite and Zoisite Chemical Formula

While comparing Phlogopite and Zoisite 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 Zoisite chemical formula.

• Chemical formula of Phlogopite- KMg3(Si3Al)O10(F,OH)2
• Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)

Phlogopite and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.