Phlogopite and Apophyllite Physical Properties

Phlogopite and Apophyllite Chemical Formula

While comparing Phlogopite and Apophyllite 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 Apophyllite chemical formula.

• Chemical formula of Phlogopite- KMg3(Si3Al)O10(F,OH)2
• Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Phlogopite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.