Nepheline and Enstatite Physical Properties

Nepheline

Enstatite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.653.20-3.25

1 7.18

1.5 Fracture

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

Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

[1010] Poor

Good/distinct on [210]

1.7 Mohs Hardness

5-65.5

2 10

1.8 Chemical Composition

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

Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Nepheline and Enstatite Chemical Formula

While comparing Nepheline and Enstatite 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 Enstatite chemical formula.

Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Chemical formula of Enstatite- Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Nepheline and Enstatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Enstatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Enstatite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 3.20-3.25 whereas that of Enstatite is 3.20-3.25.