Pyrite and Brookite Physical Properties

Pyrite

Brookite

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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

5.00-5.203.87-4.14

1 7.18

1.5 Fracture

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

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

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

Poor on {120}, in traces on {001}

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

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

Pyrite and Brookite Chemical Formula

While comparing Pyrite and Brookite 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 Brookite chemical formula.

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

Compare Yellow Gemstones

Pyrite Vs Rubellite

Pyrite Vs Rutilated Quartz

Pyrite Vs Sapphire

Pyrite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Pyrite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.