Pyrite and Riebeckite Physical Properties

Pyrite

Riebeckite

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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

5.00-5.203.28-3.44

1 7.18

1.5 Fracture

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

Uneven, Splintery, Brittle

1.6 Cleavage

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

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

1.7 Mohs Hardness

6-6.55.0-6.0

2 10

1.8 Chemical Composition

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

Not Available

Pyrite and Riebeckite Chemical Formula

While comparing Pyrite and Riebeckite 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 Riebeckite chemical formula.

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

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Pyrite and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Pyrite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.