Diamond and Spinel Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Soluble
  
none
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.50-3.53
  
3.64-3.66
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
  
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
111 (perfect in four directions)
  
None, but may exhibit slight parting
  
Mohs Hardness
10
  
8
  
Chemical Composition
C
  
MgAl2O4
  
Diamond and Spinel Chemical Formula
While comparing Diamond and Spinel 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 Diamond and Spinel chemical formula.
- Chemical formula of Diamond- C
- Chemical formula of Spinel- MgAl2O4
Diamond and Spinel Specific Gravity
Another important criteria for qualitative analysis of gemstones is Diamond and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diamond and Spinel Optical Properties during the identification of gemstone. Specific gravity of Diamond is 3.64-3.66 whereas that of Spinel is 3.64-3.66.
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