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Vivianite and Milarite Physical Properties


Milarite 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   
2.52-2.60   

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

Cleavage
{010} Perfect   
{0001} Imperfect, {1120} Imperfect   

Mohs Hardness
Not Available   
5.5-6   

Chemical Composition
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.   
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Vivianite and Milarite Chemical Formula

While comparing Vivianite and Milarite 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 Milarite chemical formula.

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Vivianite and Milarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.

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