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Vivianite
Vivianite

Taaffeite
Taaffeite



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Vivianite
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Taaffeite

Vivianite and Taaffeite Physical Properties

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.
 
-
-
-
3.60-3.61
Conchoidal
Imperfect/fair/absent
8-8.5
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Vivianite and Taaffeite Chemical Formula

While comparing Vivianite and Taaffeite 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 Taaffeite chemical formula.

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Vivianite and Taaffeite Specific Gravity

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