Apophyllite and Poudretteite Physical Properties

Apophyllite and Poudretteite Chemical Formula

While comparing Apophyllite and Poudretteite 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 Apophyllite and Poudretteite chemical formula.

• Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
• Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Apophyllite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.