Uvite and Spinel Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
none
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.97-3.14
  
3.64-3.66
  
Fracture
Uneven, Conchoidal, Brittle
  
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
{1011} Indistinct
  
None, but may exhibit slight parting
  
Mohs Hardness
Not Available
  
8
  
Chemical Composition
Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
  
MgAl2O4
  
Uvite and Spinel Chemical Formula
While comparing Uvite 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 Uvite and Spinel chemical formula.
- Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
- Chemical formula of Spinel- MgAl2O4
Uvite and Spinel Specific Gravity
Another important criteria for qualitative analysis of gemstones is Uvite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Uvite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Uvite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.