Jacobsite and Johachidolite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.76-5.03
  
3.45
  
Fracture
Conchoidal, Brittle
  
Not Available
  
Cleavage
None
  
None
  
Mohs Hardness
5.5-6.5
  
7.5
  
Chemical Composition
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
  
CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Jacobsite and Johachidolite Chemical Formula
While comparing Jacobsite and Johachidolite 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 Jacobsite and Johachidolite chemical formula.
- Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Johachidolite- CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)
Jacobsite and Johachidolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jacobsite and Johachidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jacobsite and Johachidolite Optical Properties during the identification of gemstone. Specific gravity of Jacobsite is 3.45 whereas that of Johachidolite is 3.45.