Vesuvianite and Alunite Physical Properties

Vesuvianite and Alunite Chemical Formula

While comparing Vesuvianite and Alunite 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 Vesuvianite and Alunite chemical formula.

• Chemical formula of Vesuvianite- Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
• Chemical formula of Alunite- KAl3(SO4)2(OH)6

Vesuvianite and Alunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite and Alunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite and Alunite Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite is 2.6-2.9 whereas that of Alunite is 2.6-2.9.