Adularia and Pyrite Physical Properties

Adularia and Pyrite Chemical Formula

While comparing Adularia 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 Adularia and Pyrite chemical formula.

• Chemical formula of Adularia- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Pyrite- FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Adularia and Pyrite Specific Gravity

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