Carletonite and Nepheline Physical Properties

Carletonite

Nepheline

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.452.55-2.65

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

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

1.6 Cleavage

Perfect on {001}, good on {110}

[1010] Poor

1.7 Mohs Hardness

4-4.55-6

2 10

1.8 Chemical Composition

KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Carletonite and Nepheline Chemical Formula

While comparing Carletonite 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 Carletonite and Nepheline chemical formula.

Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Compare White Gemstones

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Carletonite Vs Chrome Tremolite

Carletonite and Nepheline Specific Gravity

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