Hematite and Hemimorphite Physical Properties
Specific Gravity
5.00-5.30
3.30-3.50
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
None, may show partings on {0001} and {10 1 1}
Perfect on {110}, poor on {101}, {001} rare
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hematite and Hemimorphite Chemical Formula
While comparing Hematite and Hemimorphite 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 Hematite and Hemimorphite chemical formula.
- Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hematite and Hemimorphite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hematite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.