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Marcasite and Vivianite Physical Properties


Vivianite and Marcasite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.80-4.90   
2.64-2.70   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven   
(e.g. graphite).   

Cleavage
{010} Indistinct   
{010} Perfect   

Mohs Hardness
6-6.5   
Not Available   

Chemical Composition
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Marcasite and Vivianite Chemical Formula

While comparing Marcasite and Vivianite 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 Marcasite and Vivianite chemical formula.

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Marcasite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.

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Yellow Gemstones


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