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Spinel
Spinel

Vivianite
Vivianite



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Spinel
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Vivianite

Spinel and Vivianite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl2O4
 
-
-
-
2.64-2.70
-
{010} Perfect
-9999
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Spinel and Vivianite Chemical Formula

While comparing Spinel 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 Spinel and Vivianite chemical formula.

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Spinel and Vivianite Specific Gravity

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