Marcasite and Eosphorite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.80-4.90
  
3.05-3.08
  
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
  
Subconchoidal, Uneven, Conchoidal, Uneven
  
Cleavage
{010} Indistinct
  
Poor on {100}
  
Mohs Hardness
6-6.5
  
5
  
Chemical Composition
FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Marcasite and Eosphorite Chemical Formula
While comparing Marcasite and Eosphorite 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 Marcasite and Eosphorite chemical formula.
- Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Marcasite and Eosphorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Marcasite and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.