Nepheline and Phosgenite Physical Properties

Nepheline

Phosgenite

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Physical Properties

Tenacity

Sectile

Solubility

Soluble

Durability

Specific Gravity

2.55-2.656.13

1 7.18

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Fracture

Subconchoidal, Conchoidal

Conchoidal

Cleavage

[1010] Poor

Distinct on {001} and {110}, indistinct on {100}

Mohs Hardness

5-62-3

2 10

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Chemical Composition

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

Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Nepheline and Phosgenite Chemical Formula

While comparing Nepheline and Phosgenite 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 Phosgenite chemical formula.

Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

Nepheline Vs Realgar

Nepheline Vs Rhodizite

Nepheline Vs Rhodolite

Nepheline and Phosgenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Phosgenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Phosgenite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 6.13 whereas that of Phosgenite is 6.13.