Magnesite and Phenakite Physical Properties

Magnesite

Phenakite

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Physical Properties

Tenacity

Brittle

Solubility

Effervesces in hot HCl

Durability

Specific Gravity

2.92-3.122.90-2.98

1 7.18

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Fracture

Conchoidal

Conchoidal, ConchoidalWalter Schumann

Cleavage

[10 1 1] perfect

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

Mohs Hardness

3.5-4.57.5-8

2 10

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Chemical Composition

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

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

Magnesite and Phenakite Chemical Formula

While comparing Magnesite 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 Magnesite and Phenakite chemical formula.

Chemical formula of Magnesite- MgCO 3Michael 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

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Magnesite and Phenakite Specific Gravity

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