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Marcasite and Spinel Physical Properties


Spinel and Marcasite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
none   

Durability
Not Available   
Not Available   

Specific Gravity
4.80-4.90   
3.64-3.66   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven   
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
{010} Indistinct   
None, but may exhibit slight parting   

Mohs Hardness
6-6.5   
8   

Chemical Composition
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
MgAl2O4   

Optical Properties >>
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Marcasite and Spinel Chemical Formula

While comparing Marcasite and Spinel 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 Spinel chemical formula.

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Marcasite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Marcasite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marcasite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Marcasite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.

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Yellow Gemstones


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