Pyrite and Glaucophane Physical Properties

Pyrite

Glaucophane

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Physical Properties

Tenacity

Brittle

Solubility

insoluble in water

Durability

Specific Gravity

5.00-5.203-3.15

1 7.18

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Fracture

Uneven, Conchoidal, ConchoidalWalter Schumann

Conchoidal

Cleavage

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

Good on [110] and on [001]

Mohs Hardness

6-6.56.0-6.5

2 10

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Chemical Composition

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

[ ]Na2(Mg3Al2)Si8O22(OH)2

Pyrite and Glaucophane Chemical Formula

While comparing Pyrite and Glaucophane 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 Glaucophane chemical formula.

Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Pyrite and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrite and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Pyrite is 3-3.15 whereas that of Glaucophane is 3-3.15.