Hauyne and Legrandite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Gelatinises in acids
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.4-2.5
  
3.98-4.04
  
Fracture
Uneven, Conchoidal, Brittle
  
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
Distinct on {110}
  
Imperfect, poor one {100}
  
Mohs Hardness
5-6
  
4.5-5
  
Chemical Composition
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
  
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Hauyne and Legrandite Chemical Formula
While comparing Hauyne and Legrandite 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 Hauyne and Legrandite chemical formula.
- Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
- Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hauyne and Legrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hauyne and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hauyne and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Hauyne is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.