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Vivianite
Vivianite

Pyrite
Pyrite



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Vivianite
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Pyrite

Vivianite and Pyrite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.64-2.70
-
{010} Perfect
-9999
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
 
Brittle
insoluble in water
-
5.00-5.20
Uneven, Conchoidal, ConchoidalWalter Schumann
Indistinct on {001}; partings on {011} and {111}
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Vivianite and Pyrite Chemical Formula

While comparing Vivianite and Pyrite 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 Pyrite chemical formula.

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Vivianite and Pyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Pyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite Vs Pyrite during the identification of gemstone. Specific gravity of Vivianite is whereas that of Pyrite is .