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Siderite and Fayalite Physical Properties


Fayalite and Siderite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.83-3.89   
4.392   

Fracture
Uneven, Conchoidal, UnevenArthur Thomas, Brittle   
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   

Cleavage
Perfect on {01 1 1}   
{010} moderate, {100} imperfect   

Mohs Hardness
3.5-4.5   
6.5-7   

Chemical Composition
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Siderite and Fayalite Chemical Formula

While comparing Siderite and Fayalite 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 Siderite and Fayalite chemical formula.

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Siderite and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Siderite is 4.392 whereas that of Fayalite is 4.392.

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Yellow Gemstones


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