Pyrite and Childrenite Physical Properties

Pyrite

Childrenite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble in water

Soluble

Durability

Specific Gravity

5.00-5.203.06-3.25

1 7.18

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Fracture

Uneven, Conchoidal, ConchoidalWalter Schumann

Sub-Conchoidal, Conchoidal, Uneven

Cleavage

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

Poor/indistinct on {100}

Mohs Hardness

6-6.54.5-5

2 10

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Chemical Composition

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

(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

Pyrite and Childrenite Chemical Formula

While comparing Pyrite and Childrenite 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 Pyrite and Childrenite chemical formula.

Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)

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Pyrite and Childrenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrite and Childrenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite and Childrenite Optical Properties during the identification of gemstone. Specific gravity of Pyrite is 3.06-3.25 whereas that of Childrenite is 3.06-3.25.