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