Rhodolite and Jet Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.84
  
1.19-1.35
  
Fracture
Conchoidal
  
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
  
Cleavage
none, may show indistinct parting
  
Not Available
  
Mohs Hardness
7-7.5
  
2.5-4
  
Chemical Composition
(Mg,Fe)3Al2Si3O12
  
Not Available
  
Rhodolite and Jet Chemical Formula
While comparing Rhodolite and Jet 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 Jet chemical formula.
- Chemical formula of Rhodolite- (Mg,Fe)3Al2Si3O12
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Rhodolite and Jet Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rhodolite and Jet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Jet Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 1.19-1.35 whereas that of Jet is 1.19-1.35.