Beryllonite and Narsarsukite Physical Properties

Beryllonite

Narsarsukite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.79-2.872.72-2.83

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

Good on {100} and {110}

1.7 Mohs Hardness

5.5-66-7

2 10

1.8 Chemical Composition

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

Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Beryllonite and Narsarsukite Chemical Formula

While comparing Beryllonite and Narsarsukite 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 Narsarsukite chemical formula.

Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Compare Colorless Gems

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Beryllonite Vs Cassiterite

Beryllonite Vs Bytownite

Beryllonite and Narsarsukite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.