Hyacinth and Kyanite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.93-4.73
  
3.53-3.65
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Splintery, Brittle, Metallic
  
Cleavage
Not Available
  
[100] perfect [010] imperfect with 79° angle between
  
Mohs Hardness
6.5-7.5
  
4-7
  
Chemical Composition
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Not Available
  
Hyacinth and Kyanite Chemical Formula
While comparing Hyacinth and Kyanite 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 Hyacinth and Kyanite chemical formula.
- Chemical formula of Hyacinth- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
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Hyacinth and Kyanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hyacinth and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hyacinth and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Hyacinth is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.