Nepheline and Riesling Beryl Physical Properties

Nepheline

Riesling Beryl

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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

2.55-2.652.66-2.86

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

[1010] Poor

Not Available

1.7 Mohs Hardness

5-67.5-8

2 10

1.8 Chemical Composition

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

Al 2Be 3Si 6O 18Martin H.

Nepheline and Riesling Beryl Chemical Formula

While comparing Nepheline and Riesling Beryl 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 Nepheline and Riesling Beryl chemical formula.

Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Chemical formula of Riesling Beryl- Al 2Be 3Si 6O 18Martin H.

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Nepheline and Riesling Beryl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Riesling Beryl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Riesling Beryl Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 2.66-2.86 whereas that of Riesling Beryl is 2.66-2.86.