Ludlamite and Zircon Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
insoluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.1-3.2
  
3.93-4.73
  
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
  
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Vitreous, pearly on cleavage
  
{110} and {111}
  
Mohs Hardness
3-4
  
7.5
  
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
ZrSiO4
  
Ludlamite and Zircon Chemical Formula
While comparing Ludlamite and Zircon 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 Ludlamite and Zircon chemical formula.
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Zircon- ZrSiO4
Ludlamite and Zircon Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ludlamite and Zircon Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Zircon Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.93-4.73 whereas that of Zircon is 3.93-4.73.