Ceylonite and Nepheline Physical Properties

Ceylonite

Nepheline

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.63-3.92.55-2.65

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Indistinct

[1010] Poor

1.7 Mohs Hardness

7.5-85-6

2 10

1.8 Chemical Composition

(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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

Ceylonite and Nepheline Chemical Formula

While comparing Ceylonite and Nepheline 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 Ceylonite and Nepheline chemical formula.

Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

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Ceylonite and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ceylonite and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ceylonite and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Ceylonite is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.