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Hematite and Pumpellyite Physical Properties


Pumpellyite and Hematite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.00-5.30   
3.20-3.30   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   
Not Available   

Cleavage
None, may show partings on {0001} and {10 1 1}   
Not Available   

Mohs Hardness
6   
5-6   

Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)   
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Hematite and Pumpellyite Chemical Formula

While comparing Hematite and Pumpellyite 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 Pumpellyite chemical formula.

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Hematite and Pumpellyite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Pumpellyite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Pumpellyite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 3.20-3.30 whereas that of Pumpellyite is 3.20-3.30.

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