Alunite and Rosasite Physical Properties

Alunite and Rosasite Chemical Formula

While comparing Alunite and Rosasite 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 Rosasite chemical formula.

• Chemical formula of Alunite- KAl3(SO4)2(OH)6
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Alunite and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alunite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Alunite is 4-4.2 whereas that of Rosasite is 4-4.2.