Marialite and Covellite Physical Properties
Tenacity
Brittle
  
Flexible
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.50
  
4.6-4.76
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
  
Cleavage
Distinct on {100} and {110}
  
Perfect on {0001}
  
Mohs Hardness
5.5-6
  
Not Available
  
Chemical Composition
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
  
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
  
Marialite and Covellite Chemical Formula
While comparing Marialite and Covellite 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 Covellite chemical formula.
- Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Marialite and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Marialite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marialite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Marialite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.