Andesine and Colemanite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.65-2.69
  
2.40-2.42
  
Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
  
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
  
Cleavage
Perfect on {001}, good on {010}
  
{010} Perfect, {001} Distinct
  
Mohs Hardness
6-6.5
  
4.5
  
Chemical Composition
(Na,Ca)Al1-2Si3-2O8
  
Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Andesine and Colemanite Chemical Formula
While comparing Andesine 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 Andesine and Colemanite chemical formula.
- Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
- Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Andesine and Colemanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andesine and Colemanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Colemanite Optical Properties during the identification of gemstone. Specific gravity of Andesine is 2.40-2.42 whereas that of Colemanite is 2.40-2.42.