Paraiba and Nepheline Physical Properties

Paraiba

Nepheline

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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

3.04-3.132.55-2.65

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

[1010] Poor

1.7 Mohs Hardness

7-7.55-6

2 10

1.8 Chemical Composition

Not Available

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

Paraiba and Nepheline Chemical Formula

While comparing Paraiba and Nepheline 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 Paraiba and Nepheline chemical formula.

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

Compare Blue Gemstones

Paraiba Vs Anatase

Paraiba Vs Andean Opal

Paraiba Vs Ammolite

Paraiba and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Paraiba and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Paraiba and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Paraiba is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.