Apophyllite and Helenite Physical Properties

Apophyllite and Helenite Chemical Formula

While comparing Apophyllite and Helenite 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 Helenite chemical formula.

• Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
• Chemical formula of Helenite- SiO₂

Apophyllite and Helenite Specific Gravity

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