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Herderite
Herderite

Vivianite
Vivianite



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Herderite
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Vivianite

Herderite and Vivianite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.02
Subconchoidal, Conchoidal
Indistinct on {110}
5-5.5
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
 
-
-
-
2.64-2.70
-
{010} Perfect
-9999
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Herderite and Vivianite Chemical Formula

While comparing Herderite 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 Herderite and Vivianite chemical formula.

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Herderite and Vivianite Specific Gravity

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