Gahnospinel and Smoky Quartz Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.65-4.55
  
2.65
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009)
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
None, but may exhibit slight parting
  
{0110} Indistinct
  
Mohs Hardness
7.5-8
  
7
  
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
  
SiO2
  
Gahnospinel and Smoky Quartz Chemical Formula
While comparing Gahnospinel 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 Gahnospinel and Smoky Quartz chemical formula.
- Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
- Chemical formula of Smoky Quartz- SiO2
Gahnospinel and Smoky Quartz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gahnospinel and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.65 whereas that of Smoky Quartz is 2.65.