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Vivianite and Sapphire Physical Properties


Sapphire and Vivianite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.64-2.70   
3.95-4.03   

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

Cleavage
{010} Perfect   
None, but may exhibit parting   

Mohs Hardness
Not Available   
9   

Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.   
Al 2 O 3   

Optical Properties >>
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Vivianite and Sapphire Chemical Formula

While comparing Vivianite and Sapphire 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 Sapphire chemical formula.

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Vivianite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.

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