Coral and Smoky Quartz Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.60-2.70
  
2.65
  
Fracture
Irregular, Irregular, Gemstones of the world (2001)
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
Not Available
  
{0110} Indistinct
  
Mohs Hardness
3-4
  
7
  
Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
  
SiO2
  
Coral and Smoky Quartz Chemical Formula
While comparing Coral and Smoky Quartz 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 Smoky Quartz chemical formula.
- Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
- Chemical formula of Smoky Quartz- SiO2
Coral and Smoky Quartz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Coral and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Coral and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Coral is 2.65 whereas that of Smoky Quartz is 2.65.
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