Alunite and Chalcopyrite Physical Properties

Alunite and Chalcopyrite Chemical Formula

While comparing Alunite and Chalcopyrite 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 Alunite and Chalcopyrite chemical formula.

• Chemical formula of Alunite- KAl3(SO4)2(OH)6
• Chemical formula of Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)

Alunite and Chalcopyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alunite and Chalcopyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite and Chalcopyrite Optical Properties during the identification of gemstone. Specific gravity of Alunite is 4.1-4.3 whereas that of Chalcopyrite is 4.1-4.3.