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Fayalite and Spinel Physical Properties


Spinel and Fayalite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
none   

Durability
Not Available   
Not Available   

Specific Gravity
4.392   
3.64-3.66   

Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
{010} moderate, {100} imperfect   
None, but may exhibit slight parting   

Mohs Hardness
6.5-7   
8   

Chemical Composition
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
MgAl2O4   

Optical Properties >>
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Fayalite and Spinel Chemical Formula

While comparing Fayalite 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 Fayalite and Spinel chemical formula.

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Fayalite and Spinel Specific Gravity

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

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