Coral and Friedelite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.60-2.70
  
3.06-3.19
  
Fracture
Irregular, Irregular, Gemstones of the world (2001)
  
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven
  
Cleavage
Not Available
  
{010} Perfect
  
Mohs Hardness
3-4
  
4-5
  
Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
  
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
  
Coral and Friedelite Chemical Formula
While comparing Coral and Friedelite 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 Coral and Friedelite chemical formula.
- Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
- Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Coral and Friedelite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Coral and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Coral and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Coral is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.
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