Ajoite and Nepheline Physical Properties

Ajoite

Nepheline

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.962.55-2.65

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Perfect on {010}

[1010] Poor

1.7 Mohs Hardness

55-6

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Nepheline Chemical Formula

While comparing Ajoite 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 Ajoite and Nepheline chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

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Ajoite and Nepheline Specific Gravity

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