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Siderite and Tanzanite Physical Properties


Tanzanite and Siderite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Hard   

Specific Gravity
3.83-3.89   
3.35   

Fracture
Uneven, Conchoidal, UnevenArthur Thomas, Brittle   
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)   

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

Mohs Hardness
3.5-4.5   
6.5-7   

Chemical Composition
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Ca2Al3(SiO4)3(OH)   

Optical Properties >>
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Siderite and Tanzanite Chemical Formula

While comparing Siderite and Tanzanite 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 Tanzanite chemical formula.

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Siderite and Tanzanite Specific Gravity

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

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