Verdite and Almandine Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.80-3.0
  
3.95-4.30
  
Fracture
Not Available
  
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Cleavage
{110} Good
  
none
  
Mohs Hardness
3
  
7-7.5
  
Chemical Composition
NaFeS2•2(H2O)
  
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Verdite and Almandine Chemical Formula
While comparing Verdite 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 Verdite and Almandine chemical formula.
- Chemical formula of Verdite- NaFeS2•2(H2O)
- Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Verdite and Almandine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Verdite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Verdite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.