Marialite and Pyrite Physical Properties

Marialite

Pyrite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble in water

Durability

Specific Gravity

2.505.00-5.20

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, Conchoidal, ConchoidalWalter Schumann

Cleavage

Distinct on {100} and {110}

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

Mohs Hardness

5.5-66-6.5

2 10

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Chemical Composition

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

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

Marialite and Pyrite Chemical Formula

While comparing Marialite 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 Marialite and Pyrite chemical formula.

Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Marialite and Pyrite Specific Gravity

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