Beryllonite and Neptunite Physical Properties

Beryllonite

Neptunite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.79-2.873.19-3.23

1 7.18

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Fracture

Conchoidal

Cleavage

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces

{110} good

Mohs Hardness

5.5-65-6

2 10

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Chemical Composition

NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Beryllonite and Neptunite Chemical Formula

While comparing Beryllonite and Neptunite 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 Beryllonite and Neptunite chemical formula.

Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

Beryllonite Vs Gypsum

Beryllonite Vs Hambergite

Beryllonite Vs Herderite

Beryllonite and Neptunite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Neptunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Neptunite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 3.19-3.23 whereas that of Neptunite is 3.19-3.23.