Rhodolite and Spinel Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
none
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.84
  
3.64-3.66
  
Fracture
Conchoidal
  
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
none, may show indistinct parting
  
None, but may exhibit slight parting
  
Mohs Hardness
7-7.5
  
8
  
Chemical Composition
(Mg,Fe)3Al2Si3O12
  
MgAl2O4
  
Rhodolite and Spinel Chemical Formula
While comparing Rhodolite 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 Rhodolite and Spinel chemical formula.
- Chemical formula of Rhodolite- (Mg,Fe)3Al2Si3O12
- Chemical formula of Spinel- MgAl2O4
Rhodolite and Spinel Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rhodolite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.