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Vivianite
Vivianite

Omphacite
Omphacite



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Vivianite
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Omphacite

Vivianite and Omphacite 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.
 
-
-
-
3.16-3.43
Uneven, Conchoidal
{110} Good, {110} Good
5-6
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Vivianite and Omphacite Chemical Formula

While comparing Vivianite and Omphacite 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 Omphacite chemical formula.

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Vivianite and Omphacite Specific Gravity

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