Aragonite and Pyrite Physical Properties

Aragonite

Pyrite

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Physical Properties

Tenacity

Brittle

Solubility

Dilute acid

insoluble in water

Durability

Specific Gravity

2.93-2.965.00-5.20

1 7.18

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Fracture

Subconchoidal, Conchoidal

Uneven, Conchoidal, ConchoidalWalter Schumann

Cleavage

Distinct on {010}, imperfect {110} and {011}

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

Mohs Hardness

3.5-46-6.5

2 10

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Chemical Composition

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

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

Aragonite and Pyrite Chemical Formula

While comparing Aragonite 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 Aragonite and Pyrite chemical formula.

Chemical formula of Aragonite- CaCO 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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Aragonite and Pyrite Specific Gravity

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