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