Cordierite and Austinite Physical Properties

Cordierite and Austinite Chemical Formula

While comparing Cordierite and Austinite 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 Cordierite and Austinite chemical formula.

• Chemical formula of Cordierite- Mg2Al4Si5O18
• Chemical formula of Austinite- CaZn(AsO4)(OH)

Cordierite and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Austinite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 4.12 whereas that of Austinite is 4.12.