Nepheline and Jade Physical Properties

Nepheline

Jade

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.55-2.652.90-3.38

1 7.18

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Fracture

Subconchoidal, Conchoidal

Splintery

Cleavage

[1010] Poor

1 or 2,2 prismatic.

Mohs Hardness

5-66-7

2 10

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Chemical Composition

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

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Nepheline and Jade Chemical Formula

While comparing Nepheline and Jade 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 Jade chemical formula.

Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Compare Red Gemstones

Nepheline Vs Realgar

Nepheline Vs Rhodizite

Nepheline Vs Rhodolite

Nepheline and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Jade Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 2.90-3.38 whereas that of Jade is 2.90-3.38.