Ludlamite and Aragonite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Dilute acid
Durability
Not Available
Not Available
Specific Gravity
3.1-3.2
2.93-2.96
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Vitreous, pearly on cleavage
Distinct on {010}, imperfect {110} and {011}
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ludlamite and Aragonite Chemical Formula
While comparing Ludlamite and Aragonite 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 Aragonite 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 Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ludlamite and Aragonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ludlamite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.