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Vivianite
Vivianite

Nephrite
Nephrite



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Vivianite
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Nephrite

Vivianite and Nephrite 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.
 
-
-
-
2.90-3.10
Splintery, Granular
None
6-6.5
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Vivianite and Nephrite Chemical Formula

While comparing Vivianite and Nephrite 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 Nephrite chemical formula.

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Vivianite and Nephrite Specific Gravity

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