Sphene and Cubic Zirconia Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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5.50-6.00
  
Fracture
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Cleavage
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Mohs Hardness
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8.5
  
Chemical Composition
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ZrO 2 + CaO or Y 2O 3 or MgOUlrich Henn and Claudio C.
  
Sphene and Cubic Zirconia Chemical Formula
While comparing Sphene and Cubic Zirconia 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 Sphene and Cubic Zirconia chemical formula.
>- Chemical formula of Cubic Zirconia- ZrO 2 + CaO or Y 2O 3 or MgOUlrich Henn and Claudio C.
Sphene and Cubic Zirconia Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sphene and Cubic Zirconia Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphene and Cubic Zirconia Optical Properties during the identification of gemstone. Specific gravity of Sphene is 5.50-6.00 whereas that of Cubic Zirconia is 5.50-6.00.