Marialite and Atacamite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.50
  
3.745-3.776
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Conchoidal, Conchoidal, Brittle
  
Cleavage
Distinct on {100} and {110}
  
Perfect on {010}, fair on {101}
  
Mohs Hardness
5.5-6
  
3-3.5
  
Chemical Composition
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
  
Cu2Cl(OH)3
  
Marialite and Atacamite Chemical Formula
While comparing Marialite 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 Marialite and Atacamite chemical formula.
- Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Atacamite- Cu2Cl(OH)3
Marialite and Atacamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Marialite and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marialite and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Marialite is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.