Liddicoatite and Atacamite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.02
  
3.745-3.776
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
  
Conchoidal, Conchoidal, Brittle
  
Cleavage
{0001} Poor
  
Perfect on {010}, fair on {101}
  
Mohs Hardness
Not Available
  
3-3.5
  
Chemical Composition
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
  
Cu2Cl(OH)3
  
Liddicoatite and Atacamite Chemical Formula
While comparing Liddicoatite 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 Liddicoatite and Atacamite chemical formula.
- Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
- Chemical formula of Atacamite- Cu2Cl(OH)3
Liddicoatite and Atacamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Liddicoatite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Liddicoatite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Liddicoatite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.