Jade and Pyrite Physical Properties

Jade

Pyrite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble in water

Durability

Specific Gravity

2.90-3.385.00-5.20

1 7.18

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Fracture

Splintery

Uneven, Conchoidal, ConchoidalWalter Schumann

Cleavage

1 or 2,2 prismatic.

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

Mohs Hardness

6-76-6.5

2 10

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Chemical Composition

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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

Jade and Pyrite Chemical Formula

While comparing Jade 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 Jade and Pyrite chemical formula.

Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆
Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Jade and Pyrite Specific Gravity

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