Alunite and Whitlockite Physical Properties

Alunite and Whitlockite Chemical Formula

While comparing Alunite and Whitlockite 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 Whitlockite chemical formula.

• Chemical formula of Alunite- KAl3(SO4)2(OH)6
• Chemical formula of Whitlockite- Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)

Alunite and Whitlockite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alunite and Whitlockite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite and Whitlockite Optical Properties during the identification of gemstone. Specific gravity of Alunite is 3.12 whereas that of Whitlockite is 3.12.