Magnesite and Pyrite Physical Properties

Magnesite

Pyrite

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Physical Properties

Tenacity

Brittle

Solubility

Effervesces in hot HCl

insoluble in water

Durability

Specific Gravity

2.92-3.125.00-5.20

1 7.18

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Fracture

Conchoidal

Uneven, Conchoidal, ConchoidalWalter Schumann

Cleavage

[10 1 1] perfect

Indistinct on {001}; partings on {011} and {111}

Mohs Hardness

3.5-4.56-6.5

2 10

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Chemical Composition

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

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Magnesite and Pyrite Chemical Formula

While comparing Magnesite and Pyrite 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 Pyrite chemical formula.

Chemical formula of Magnesite- MgCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Magnesite and Pyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnesite and Pyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnesite and Pyrite Optical Properties during the identification of gemstone. Specific gravity of Magnesite is 5.00-5.20 whereas that of Pyrite is 5.00-5.20.