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Vivianite and Hematite Physical Properties


Hematite and Vivianite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.64-2.70   
5.00-5.30   

Fracture
(e.g. graphite).   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
{010} Perfect   
None, may show partings on {0001} and {10 1 1}   

Mohs Hardness
Not Available   
6   

Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.   
Fe 2O 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Vivianite and Hematite Chemical Formula

While comparing Vivianite and Hematite 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 Vivianite and Hematite chemical formula.

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Vivianite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.

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