Neptunite and Riesling Beryl Physical Properties

Neptunite

Riesling Beryl

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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

3.19-3.232.66-2.86

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{110} good

Not Available

1.7 Mohs Hardness

5-67.5-8

2 10

1.8 Chemical Composition

KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Al 2Be 3Si 6O 18Martin H.

Neptunite and Riesling Beryl Chemical Formula

While comparing Neptunite 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 Neptunite and Riesling Beryl chemical formula.

Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Riesling Beryl- Al 2Be 3Si 6O 18Martin H.

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Neptunite and Riesling Beryl Specific Gravity

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