Andradite Garnet and Neptunite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.8-3.9
  
3.19-3.23
  
Fracture
Not Available
  
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
  
Cleavage
None
  
{110} good
  
Mohs Hardness
6.5-7.5
  
5-6
  
Chemical Composition
Ca3Fe3+2Si3O12
  
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Andradite Garnet and Neptunite Chemical Formula
While comparing Andradite Garnet and Neptunite 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 Andradite Garnet and Neptunite chemical formula.
- Chemical formula of Andradite Garnet- Ca3Fe3+2Si3O12
- Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
Andradite Garnet and Neptunite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andradite Garnet and Neptunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite Garnet and Neptunite Optical Properties during the identification of gemstone. Specific gravity of Andradite Garnet is 3.19-3.23 whereas that of Neptunite is 3.19-3.23.