Andradite Garnet and Austinite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Easily soluble in cold dilute HCl
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.8-3.9
  
4.12
  
Fracture
Not Available
  
Brittle, Uneven, Brittle, Uneven
  
Cleavage
None
  
Good in two directions parallel to the prism faces {110}
  
Mohs Hardness
6.5-7.5
  
4-4.5
  
Chemical Composition
Ca3Fe3+2Si3O12
  
CaZn(AsO4)(OH)
  
Andradite Garnet and Austinite Chemical Formula
While comparing Andradite Garnet and Austinite 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 Austinite chemical formula.
- Chemical formula of Andradite Garnet- Ca3Fe3+2Si3O12
- Chemical formula of Austinite- CaZn(AsO4)(OH)
Andradite Garnet and Austinite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andradite Garnet and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite Garnet and Austinite Optical Properties during the identification of gemstone. Specific gravity of Andradite Garnet is 4.12 whereas that of Austinite is 4.12.