Selenite and Pyrite Physical Properties

Selenite

Pyrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available5.00-5.20

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

26-6.5

2 10

1.8 Chemical Composition

Not Available

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

Selenite and Pyrite Chemical Formula

While comparing Selenite 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 Selenite and Pyrite chemical formula.

Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Selenite and Pyrite Specific Gravity

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