Smoky Quartz and Atacamite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.65
  
3.745-3.776
  
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Conchoidal, Conchoidal, Brittle
  
Cleavage
{0110} Indistinct
  
Perfect on {010}, fair on {101}
  
Mohs Hardness
7
  
3-3.5
  
Chemical Composition
SiO2
  
Cu2Cl(OH)3
  
Smoky Quartz and Atacamite Chemical Formula
While comparing Smoky Quartz 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 Smoky Quartz and Atacamite chemical formula.
- Chemical formula of Smoky Quartz- SiO2
- Chemical formula of Atacamite- Cu2Cl(OH)3
Smoky Quartz and Atacamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Atacamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Atacamite Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 3.745-3.776 whereas that of Atacamite is 3.745-3.776.