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Vivianite
Vivianite

Spinel
Spinel



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Vivianite
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Spinel

Vivianite and Spinel Physical Properties

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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.
 
-
-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl2O4

Vivianite and Spinel Chemical Formula

While comparing Vivianite and Spinel 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 Spinel chemical formula.

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Vivianite and Spinel Specific Gravity

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