Cuprite and Fluorite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
slightly water soluble and in hot hydrochloric acid
  
Durability
Not Available
  
Not Available
  
Specific Gravity
5.85-6.15
  
3.00-3.25
  
Fracture
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
  
Cleavage
Fair in four directions forming octahedrons
  
Octahedral, perfect on {111}, parting on {011}
  
Mohs Hardness
3.5-4
  
4
  
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
CaF2
  
Cuprite and Fluorite Chemical Formula
While comparing Cuprite and Fluorite 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 Cuprite and Fluorite chemical formula.
- Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Fluorite- CaF2
Cuprite and Fluorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cuprite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cuprite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Cuprite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.