Bort and Colemanite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
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Not Available
  
Durability
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Not Available
  
Specific Gravity
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2.40-2.42
  
Fracture
Not Available
  
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
  
Cleavage
Not Available
  
{010} Perfect, {001} Distinct
  
Mohs Hardness
Not Available
  
4.5
  
Chemical Composition
Not Available
  
Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Bort and Colemanite Chemical Formula
While comparing Bort and Colemanite 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 Bort and Colemanite chemical formula.
>- Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Bort and Colemanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bort and Colemanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bort and Colemanite Optical Properties during the identification of gemstone. Specific gravity of Bort is 2.40-2.42 whereas that of Colemanite is 2.40-2.42.