Phosgenite and Topaz Physical Properties

Phosgenite and Topaz Chemical Formula

While comparing Phosgenite and Topaz 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 Phosgenite and Topaz chemical formula.

• Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Topaz- Al₂SiO₄(F,OH)₂

Phosgenite and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosgenite and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosgenite and Topaz Optical Properties during the identification of gemstone. Specific gravity of Phosgenite is 3.49-3.57 whereas that of Topaz is 3.49-3.57.