Azurmalachite and Atacamite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.70-3.95
3.745-3.776
Fracture
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
Conchoidal, Conchoidal, Brittle
Cleavage
1,1 basal.
Perfect on {010}, fair on {101}
Mohs Hardness
3.5-4
3-3.5
Chemical Composition
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
Cu2Cl(OH)3
Azurmalachite and Atacamite Chemical Formula
While comparing Azurmalachite 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 Azurmalachite and Atacamite chemical formula.
- Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
- Chemical formula of Atacamite- Cu2Cl(OH)3
Azurmalachite and Atacamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Azurmalachite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurmalachite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Azurmalachite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.