Hauyne and Ludlamite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Gelatinises in acids
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.4-2.5
  
3.1-3.2
  
Fracture
Uneven, Conchoidal, Brittle
  
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
  
Cleavage
Distinct on {110}
  
Vitreous, pearly on cleavage
  
Mohs Hardness
5-6
  
3-4
  
Chemical Composition
(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
  
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Hauyne and Ludlamite Chemical Formula
While comparing Hauyne and Ludlamite 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 Ludlamite chemical formula.
- Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hauyne and Ludlamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hauyne and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hauyne and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Hauyne is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.