Fluorite and Siderite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
slightly water soluble and in hot hydrochloric acid
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.00-3.25
  
3.83-3.89
  
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
  
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
  
Cleavage
Octahedral, perfect on {111}, parting on {011}
  
Perfect on {01 1 1}
  
Mohs Hardness
4
  
3.5-4.5
  
Chemical Composition
CaF2
  
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Fluorite and Siderite Chemical Formula
While comparing Fluorite and Siderite 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 Fluorite and Siderite chemical formula.
- Chemical formula of Fluorite- CaF2
- Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fluorite and Siderite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Fluorite and Siderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Siderite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 3.83-3.89 whereas that of Siderite is 3.83-3.89.