Liddicoatite and Nepheline Physical Properties

Liddicoatite

Nepheline

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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

3.022.55-2.65

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{0001} Poor

[1010] Poor

1.7 Mohs Hardness

Not Available5-6

2 10

1.8 Chemical Composition

Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Liddicoatite and Nepheline Chemical Formula

While comparing Liddicoatite 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 Liddicoatite and Nepheline chemical formula.

Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

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Liddicoatite and Nepheline Specific Gravity

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