Hyacinth and Feldspar Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.93-4.73
  
2.56-2.75
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)
  
Cleavage
Not Available
  
two or three
  
Mohs Hardness
6.5-7.5
  
6-6.5
  
Chemical Composition
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Not Available
  
Hyacinth and Feldspar Chemical Formula
While comparing Hyacinth and Feldspar 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 Feldspar chemical formula.
- Chemical formula of Hyacinth- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
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Hyacinth and Feldspar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hyacinth and Feldspar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hyacinth and Feldspar Optical Properties during the identification of gemstone. Specific gravity of Hyacinth is 2.56-2.75 whereas that of Feldspar is 2.56-2.75.