Indicolite and Andalusite 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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3.05-3.21
  
Fracture
Not Available
  
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
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Good on {110}, poor on {100}
  
Mohs Hardness
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7.5
  
Chemical Composition
Not Available
  
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
  
Indicolite and Andalusite Chemical Formula
While comparing Indicolite and Andalusite 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 Indicolite and Andalusite chemical formula.
>- Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Indicolite and Andalusite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Indicolite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Indicolite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Indicolite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.