Simpsonite and Coral Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
2.60-2.70
  
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Irregular, Irregular, Gemstones of the world (2001)
  
Cleavage
None
  
Not Available
  
Mohs Hardness
7-7.5
  
3-4
  
Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
  
CaCO 3Ulrich Henn and Claudio C.
  
Simpsonite and Coral Chemical Formula
While comparing Simpsonite and Coral 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 Simpsonite and Coral chemical formula.
- Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
- Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
Simpsonite and Coral Specific Gravity
Another important criteria for qualitative analysis of gemstones is Simpsonite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Simpsonite and Coral Optical Properties during the identification of gemstone. Specific gravity of Simpsonite is 2.60-2.70 whereas that of Coral is 2.60-2.70.