Cymophane and Nepheline Physical Properties

Cymophane

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

3.69-3.812.55-2.65

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

[1010] Poor

1.7 Mohs Hardness

8.55-6

2 10

1.8 Chemical Composition

BeAl 2O 4Arthur Thomas , Gemstones (2009)

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

Cymophane and Nepheline Chemical Formula

While comparing Cymophane 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 Cymophane and Nepheline chemical formula.

Chemical formula of Cymophane- BeAl 2O 4Arthur Thomas , Gemstones (2009)
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

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Cymophane and Nepheline Specific Gravity

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