Fluorite and Selenite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
slightly water soluble and in hot hydrochloric acid
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.00-3.25
  
Not Available
  
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
  
Not Available
  
Cleavage
Octahedral, perfect on {111}, parting on {011}
  
Not Available
  
Mohs Hardness
4
  
2
  
Chemical Composition
CaF2
  
Not Available
  
Fluorite and Selenite Chemical Formula
While comparing Fluorite and Selenite 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 Selenite chemical formula.
- Chemical formula of Fluorite- CaF2
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Fluorite and Selenite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Fluorite and Selenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Selenite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is Not Available whereas that of Selenite is Not Available.