Smithsonite and Atacamite Physical Properties

Smithsonite and Atacamite Chemical Formula

While comparing Smithsonite and Atacamite 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 Smithsonite and Atacamite chemical formula.

• Chemical formula of Smithsonite- ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
• Chemical formula of Atacamite- Cu2Cl(OH)3

Smithsonite and Atacamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.