Atacamite and Hemimorphite Physical Properties
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
3.745-3.776
3.30-3.50
Fracture
Conchoidal, Conchoidal, Brittle
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Cleavage
Perfect on {010}, fair on {101}
Perfect on {110}, poor on {101}, {001} rare
Chemical Composition
Cu2Cl(OH)3
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Atacamite and Hemimorphite Chemical Formula
While comparing Atacamite and Hemimorphite 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 Atacamite and Hemimorphite chemical formula.
- Chemical formula of Atacamite- Cu2Cl(OH)3
- Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Atacamite and Hemimorphite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Atacamite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.