Spodumene and Ludlamite Physical Properties
Tenacity
Brittle
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.15-3.21
3.1-3.2
Fracture
Uneven, Subconchoidal, Gemstones (2009)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
Vitreous, pearly on cleavage
Chemical Composition
LiAlSi2O6
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Spodumene and Ludlamite Chemical Formula
While comparing Spodumene 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 Spodumene and Ludlamite chemical formula.
- Chemical formula of Spodumene- LiAlSi2O6
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Spodumene and Ludlamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spodumene and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.