Legrandite and Hyacinth Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.98-4.04
  
3.93-4.73
  
Fracture
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Imperfect, poor one {100}
  
Not Available
  
Mohs Hardness
4.5-5
  
6.5-7.5
  
Chemical Composition
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Legrandite and Hyacinth Chemical Formula
While comparing Legrandite and Hyacinth 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 Legrandite and Hyacinth chemical formula.
- Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Hyacinth- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Legrandite and Hyacinth Specific Gravity
Another important criteria for qualitative analysis of gemstones is Legrandite and Hyacinth Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Hyacinth Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 3.93-4.73 whereas that of Hyacinth is 3.93-4.73.