Pleonast and Triplite Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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3.85-3.94
  
Fracture
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ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
  
Cleavage
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{010} Good, {100} Distinct
  
Mohs Hardness
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5-5.5
  
Chemical Composition
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(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Pleonast and Triplite Chemical Formula
While comparing Pleonast and Triplite 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 Pleonast and Triplite chemical formula.
>- Chemical formula of Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Pleonast and Triplite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pleonast and Triplite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonast and Triplite Optical Properties during the identification of gemstone. Specific gravity of Pleonast is 3.85-3.94 whereas that of Triplite is 3.85-3.94.