Pyrope Almandine and Spinel Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
none
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.62-4.20
  
3.64-3.66
  
Fracture
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
  
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Not Available
  
None, but may exhibit slight parting
  
Mohs Hardness
7-7.5
  
8
  
Chemical Composition
(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
  
MgAl2O4
  
Pyrope Almandine and Spinel Chemical Formula
While comparing Pyrope Almandine 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 Pyrope Almandine and Spinel chemical formula.
- Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)
- Chemical formula of Spinel- MgAl2O4
Pyrope Almandine and Spinel Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pyrope Almandine and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope Almandine and Spinel Optical Properties during the identification of gemstone. Specific gravity of Pyrope Almandine is 3.64-3.66 whereas that of Spinel is 3.64-3.66.