Quartz Smoky and Tourmaline Physical Properties
Tenacity
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Not Available
  
Solubility
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Not Available
  
Durability
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Specific Gravity
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2.85-3.35
  
Fracture
Not Available
  
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Not Available
  
Indistinct
  
Mohs Hardness
7
  
7-7.5
  
Chemical Composition
Not Available
  
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  
Quartz Smoky and Tourmaline Chemical Formula
While comparing Quartz Smoky and Tourmaline 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 Tourmaline chemical formula.
>- Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Quartz Smoky and Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Quartz Smoky and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Quartz Smoky and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Quartz Smoky is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.