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Allanite and Vivianite Physical Properties


Vivianite and Allanite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.40-4.20   
2.64-2.70   

Fracture
Not Available   
(e.g. graphite).   

Cleavage
Not Available   
{010} Perfect   

Mohs Hardness
Not Available   
Not Available   

Chemical Composition
Not Available   
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Allanite and Vivianite Chemical Formula

While comparing Allanite and Vivianite 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 Allanite and Vivianite chemical formula.

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Allanite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Allanite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Allanite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.

Brown Gemstones

Brown Gemstones


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