Hemimorphite and Galena Physical Properties
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.30-3.50
6.23
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Subconchoidal, Brittle, Metallic
Cleavage
Perfect on {110}, poor on {101}, {001} rare
Cubic perfect on [001], parting on [111]
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbS
Hemimorphite and Galena Chemical Formula
While comparing Hemimorphite and Galena 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 Galena 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 Galena- PbS
Hemimorphite and Galena Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hemimorphite and Galena Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Galena Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 6.23 whereas that of Galena is 6.23.