Smithsonite and Ludlamite Physical Properties
Specific Gravity
4.00-4.65
3.1-3.2
Fracture
Uneven, Sub-Conchoidal
-
Cleavage
Perfect on [1011]
Vitreous, pearly on cleavage
Chemical Composition
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Smithsonite and Ludlamite Chemical Formula
While comparing Smithsonite 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 Smithsonite and Ludlamite chemical formula.
- Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Smithsonite and Ludlamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Smithsonite and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.