Apophyllite and Pyrite Physical Properties

Apophyllite and Pyrite Chemical Formula

While comparing Apophyllite and Pyrite 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 Pyrite chemical formula.

• Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
• Chemical formula of Pyrite- FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Apophyllite and Pyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite and Pyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Pyrite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 5.00-5.20 whereas that of Pyrite is 5.00-5.20.