Nepheline and Vesuvianite Physical Properties

Nepheline

Vesuvianite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.55-2.65

Subconchoidal, Conchoidal

[1010] Poor

5-6

Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

3.32-3.43

Conchoidal

Poor on {110} and {100} very poor on {001}

6-7

Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

Nepheline and Vesuvianite Chemical Formula

While comparing Nepheline and Vesuvianite 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 Nepheline and Vesuvianite chemical formula.

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Nepheline and Vesuvianite Specific Gravity

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