Hematite and Poudretteite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
5.00-5.30
2.51-2.53
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Conchoidal, Splintery
Cleavage
None, may show partings on {0001} and {10 1 1}
None
Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Hematite and Poudretteite Chemical Formula
While comparing Hematite and Poudretteite 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 Poudretteite chemical formula.
- Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Hematite and Poudretteite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hematite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.