Nepheline and Weloganite Physical Properties

Nepheline

Weloganite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.653.20-3.22

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Conchoidal, Brittle

1.6 Cleavage

[1010] Poor

Perfect on pseudo {0001}

1.7 Mohs Hardness

5-63

2 10

1.8 Chemical Composition

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

Not Available

Nepheline and Weloganite Chemical Formula

While comparing Nepheline and Weloganite 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 Weloganite chemical formula.

Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

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Nepheline and Weloganite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Weloganite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Weloganite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 3.20-3.22 whereas that of Weloganite is 3.20-3.22.