Akoya pearl and Cymophane Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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3.69-3.81
  
Fracture
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Cleavage
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Mohs Hardness
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8.5
  
Chemical Composition
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BeAl 2O 4Arthur Thomas , Gemstones (2009)
  
Akoya pearl and Cymophane Chemical Formula
While comparing Akoya pearl and Cymophane 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 Akoya pearl and Cymophane chemical formula.
>- Chemical formula of Cymophane- BeAl 2O 4Arthur Thomas , Gemstones (2009)
Akoya pearl and Cymophane Specific Gravity
Another important criteria for qualitative analysis of gemstones is Akoya pearl and Cymophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Akoya pearl and Cymophane Optical Properties during the identification of gemstone. Specific gravity of Akoya pearl is 3.69-3.81 whereas that of Cymophane is 3.69-3.81.