Phlogopite and Hackmanite Physical Properties

Phlogopite and Hackmanite Chemical Formula

While comparing Phlogopite and Hackmanite 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 Hackmanite chemical formula.

• Chemical formula of Phlogopite- KMg3(Si3Al)O10(F,OH)2
• Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Phlogopite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.