Ludlamite and Mottramite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.1-3.2
  
5.9
  
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
  
Sub-Conchoidal, Brittle, Metallic
  
Cleavage
Vitreous, pearly on cleavage
  
None observed
  
Mohs Hardness
3-4
  
3
  
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Not Available
  
Ludlamite and Mottramite Chemical Formula
While comparing Ludlamite and Mottramite 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 Mottramite chemical formula.
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Ludlamite and Mottramite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ludlamite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 5.9 whereas that of Mottramite is 5.9.