Nepheline and Marialite Physical Properties

Nepheline

Marialite

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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

2.55-2.652.50

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

[1010] Poor

Distinct on {100} and {110}

1.7 Mohs Hardness

5-65.5-6

2 10

1.8 Chemical Composition

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

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Nepheline and Marialite Chemical Formula

While comparing Nepheline and Marialite 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 Marialite chemical formula.

Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

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Nepheline and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Marialite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 2.50 whereas that of Marialite is 2.50.