Grossular and Pyrrhotite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.55-3.73
  
4.58-4.65
  
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Uneven
  
Cleavage
none
  
Absent
  
Mohs Hardness
7-7.5
  
3.5-4.5
  
Chemical Composition
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Not Available
  
Grossular and Pyrrhotite Chemical Formula
While comparing Grossular and Pyrrhotite 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 Grossular and Pyrrhotite chemical formula.
- Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
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Grossular and Pyrrhotite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Grossular and Pyrrhotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grossular and Pyrrhotite Optical Properties during the identification of gemstone. Specific gravity of Grossular is 4.58-4.65 whereas that of Pyrrhotite is 4.58-4.65.