Quartz Smoky and Prase Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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2.64-2.69
  
Fracture
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Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)
  
Cleavage
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Mohs Hardness
7
  
7
  
Chemical Composition
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SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Quartz Smoky and Prase Chemical Formula
While comparing Quartz Smoky and Prase 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 Quartz Smoky and Prase chemical formula.
>- Chemical formula of Prase- SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Quartz Smoky and Prase Specific Gravity
Another important criteria for qualitative analysis of gemstones is Quartz Smoky and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Quartz Smoky and Prase Optical Properties during the identification of gemstone. Specific gravity of Quartz Smoky is 2.64-2.69 whereas that of Prase is 2.64-2.69.