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Siderite and Tourmaline Physical Properties


Tourmaline 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   
2.85-3.35   

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

Cleavage
Perfect on {01 1 1}   
Indistinct   

Mohs Hardness
3.5-4.5   
7-7.5   

Chemical Composition
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.   

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Siderite and Tourmaline Chemical Formula

While comparing Siderite and Tourmaline 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 Tourmaline chemical formula.

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Siderite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Siderite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.

Yellow Gemstones

Yellow Gemstones


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