Magnesite and Smoky Quartz Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Effervesces in hot HCl
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.92-3.12
  
2.65
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
[10 1 1] perfect
  
{0110} Indistinct
  
Mohs Hardness
3.5-4.5
  
7
  
Chemical Composition
MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
SiO2
  
Magnesite and Smoky Quartz Chemical Formula
While comparing Magnesite 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 Magnesite and Smoky Quartz chemical formula.
- Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Smoky Quartz- SiO2
Magnesite and Smoky Quartz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Magnesite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnesite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Magnesite is 2.65 whereas that of Smoky Quartz is 2.65.