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Siderite and Bustamite Physical Properties


Bustamite and Siderite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Partly soluble in HCl.   

Durability
Not Available   
Not Available   

Specific Gravity
3.83-3.89   
3.32-3.43   

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

Cleavage
Perfect on {01 1 1}   
{100} perfect; {110} and {1 1 0} good; {010} poor   

Mohs Hardness
3.5-4.5   
5.5-6   

Chemical Composition
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Siderite and Bustamite Chemical Formula

While comparing Siderite and Bustamite 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 Bustamite chemical formula.

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Siderite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Siderite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.

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Yellow Gemstones


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