Tourmaline and Plumbogummite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.85-3.35
  
4.014
  
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Uneven, Conchoidal
  
Cleavage
Indistinct
  
None
  
Mohs Hardness
7-7.5
  
4-5
  
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  
Not Available
  
Tourmaline and Plumbogummite Chemical Formula
While comparing Tourmaline and Plumbogummite 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 Tourmaline and Plumbogummite 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.
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Tourmaline and Plumbogummite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tourmaline and Plumbogummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Plumbogummite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 4.014 whereas that of Plumbogummite is 4.014.