Pyrite and Pectolite Physical Properties

Pyrite

Pectolite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble in water

Durability

Specific Gravity

5.00-5.202.74-2.90

1 7.18

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Fracture

Uneven, Conchoidal, ConchoidalWalter Schumann

Uneven, Splintery

Cleavage

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

Perfect on {100} and {001}

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

Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Pyrite and Pectolite Chemical Formula

While comparing Pyrite and Pectolite 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 Pectolite chemical formula.

Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

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Pyrite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Pyrite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.