Pyrite and Marialite Physical Properties

Pyrite

Marialite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.202.50

1 7.18

1.5 Fracture

Uneven, Conchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

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

Distinct on {100} and {110}

1.7 Mohs Hardness

6-6.55.5-6

2 10

1.8 Chemical Composition

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

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

Pyrite and Marialite Chemical Formula

While comparing Pyrite and Marialite 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 Marialite chemical formula.

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

Compare Yellow Gemstones

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Pyrite Vs Rubellite

Pyrite and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrite and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite and Marialite Optical Properties during the identification of gemstone. Specific gravity of Pyrite is 2.50 whereas that of Marialite is 2.50.