Erythrite and Smoky Quartz Physical Properties
Tenacity
Sectile
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.06
  
2.65
  
Fracture
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
Perfect on {010}; poor on {100} and { 1 02}.
  
{0110} Indistinct
  
Mohs Hardness
Not Available
  
7
  
Chemical Composition
Co3(AsO4)2•8(H2O)
  
SiO2
  
Erythrite and Smoky Quartz Chemical Formula
While comparing Erythrite and Smoky Quartz 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 Erythrite and Smoky Quartz chemical formula.
- Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
- Chemical formula of Smoky Quartz- SiO2
Erythrite and Smoky Quartz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Erythrite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.65 whereas that of Smoky Quartz is 2.65.