Kutnohorite and Almandine Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.12
  
3.95-4.30
  
Fracture
Subconchoidal, Brittle, Conchoidal
  
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Cleavage
Perfect on {10 1 1}
  
none
  
Mohs Hardness
3-4
  
7-7.5
  
Chemical Composition
Not Available
  
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Kutnohorite and Almandine Chemical Formula
While comparing Kutnohorite and Almandine 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 Kutnohorite and Almandine chemical formula.
>- Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Kutnohorite and Almandine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Kutnohorite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kutnohorite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Kutnohorite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.