Hemimorphite and Corundum Physical Properties
Solubility
Soluble
insoluble
Durability
Not Available
Not Available
Specific Gravity
3.30-3.50
3.90-4.05
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Uneven, Uneven, Gems, Difficult, Fibrous
Cleavage
Perfect on {110}, poor on {101}, {001} rare
None – parting in 3 directions
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 2O 3Arthur Thomas , Gemstones (2009)
Hemimorphite and Corundum Chemical Formula
While comparing Hemimorphite and Corundum 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 Corundum 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 Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)
Hemimorphite and Corundum Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hemimorphite and Corundum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Corundum Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 3.90-4.05 whereas that of Corundum is 3.90-4.05.