Nepheline and Analcime Physical Properties

Nepheline

Analcime

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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

2.55-2.652.24-2.29

1 7.18

1.5 Fracture

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

Uneven, Subconchoidal, Uneven, Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

[1010] Poor

Very poor [100]

1.7 Mohs Hardness

5-65-5.5

2 10

1.8 Chemical Composition

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

NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Nepheline and Analcime Chemical Formula

While comparing Nepheline and Analcime 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 Analcime chemical formula.

Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Chemical formula of Analcime- NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Nepheline and Analcime Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Analcime Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Analcime Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 2.24-2.29 whereas that of Analcime is 2.24-2.29.