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Vivianite and Sapphirine Physical Properties


Sapphirine and Vivianite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.64-2.70   
3.40-3.58   

Fracture
(e.g. graphite).   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven   

Cleavage
{010} Perfect   
{010} Perfect   

Mohs Hardness
Not Available   
7.5   

Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.   
(Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Vivianite and Sapphirine Chemical Formula

While comparing Vivianite and Sapphirine 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 Sapphirine chemical formula.

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Vivianite and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.

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