Alunite and Azurmalachite Physical Properties

Alunite and Azurmalachite Chemical Formula

While comparing Alunite and Azurmalachite 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 Azurmalachite chemical formula.

• Chemical formula of Alunite- KAl3(SO4)2(OH)6
• Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)

Alunite and Azurmalachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alunite and Azurmalachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alunite and Azurmalachite Optical Properties during the identification of gemstone. Specific gravity of Alunite is 3.70-3.95 whereas that of Azurmalachite is 3.70-3.95.