Beryllonite and Phenakite Physical Properties

Beryllonite

Phenakite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.79-2.872.90-2.98

1 7.18

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Fracture

Conchoidal

Conchoidal, ConchoidalWalter Schumann

Cleavage

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

Distinct on {11 2 0}, imperfect on {10 1 1}

Mohs Hardness

5.5-67.5-8

2 10

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Chemical Composition

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

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Beryllonite and Phenakite Chemical Formula

While comparing Beryllonite and Phenakite 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 Phenakite chemical formula.

Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

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Beryllonite Vs Herderite

Beryllonite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.