Phenakite and Smithsonite Physical Properties

Phenakite

Smithsonite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.90-2.984.00-4.65

1 7.18

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Fracture

Conchoidal, ConchoidalWalter Schumann

Uneven, Sub-Conchoidal

Cleavage

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

Perfect on [1011]

Mohs Hardness

7.5-85-5.5

2 10

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Chemical Composition

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

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Phenakite and Smithsonite Chemical Formula

While comparing Phenakite and Smithsonite 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 Phenakite and Smithsonite chemical formula.

Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Colorless Gems

Phenakite Vs Orthoclase

Phenakite Vs Oligoclase

Phenakite Vs Muscovite

Phenakite and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.