Hemimorphite and Ludlamite Physical Properties
Specific Gravity
3.30-3.50
3.1-3.2
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
-
Cleavage
Perfect on {110}, poor on {101}, {001} rare
Vitreous, pearly on cleavage
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael 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
Hemimorphite and Ludlamite Chemical Formula
While comparing Hemimorphite 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 Hemimorphite and Ludlamite chemical formula.
- Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael 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
Hemimorphite and Ludlamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hemimorphite and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.