Nepheline and Jet lignite Physical Properties

Nepheline

Jet lignite

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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

2.55-2.651.30-1.34

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

[1010] Poor

Not Available

1.7 Mohs Hardness

5-62.5

2 10

1.8 Chemical Composition

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

Not Available

Nepheline and Jet lignite Chemical Formula

While comparing Nepheline and Jet lignite 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 Jet lignite chemical formula.

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

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Nepheline and Jet lignite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Jet lignite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Jet lignite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 1.30-1.34 whereas that of Jet lignite is 1.30-1.34.