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Vivianite and Bytownite Physical Properties


Bytownite and Vivianite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.64-2.70   
2.72-2.75   

Fracture
(e.g. graphite).   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
{010} Perfect   
Perfect on [001], good on [010], imperfect on [110]   

Mohs Hardness
Not Available   
6-6.5   

Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.   
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Vivianite and Bytownite Chemical Formula

While comparing Vivianite and Bytownite 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 Vivianite and Bytownite chemical formula.

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Vivianite and Bytownite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.

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