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Taaffeite
Taaffeite

Vivianite
Vivianite



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Taaffeite
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Vivianite

Taaffeite and Vivianite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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
 
-
-
-
2.64-2.70
-
{010} Perfect
-9999
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Taaffeite and Vivianite Chemical Formula

While comparing Taaffeite 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 Taaffeite and Vivianite chemical formula.

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Taaffeite and Vivianite Specific Gravity

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