Pleonaste and Hayne Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
3.80
  
2.40-2.50
  
Fracture
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Cleavage
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Mohs Hardness
8
  
5.5-6
  
Chemical Composition
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
  
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Pleonaste and Hayne Chemical Formula
While comparing Pleonaste and Hayne 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 Pleonaste and Hayne chemical formula.
- Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
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Pleonaste and Hayne Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pleonaste and Hayne Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Hayne Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 2.40-2.50 whereas that of Hayne is 2.40-2.50.