Sylvite and Pyrite Physical Properties

Sylvite

Pyrite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

insoluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

1.9935.00-5.20

1 7.18

1.5 Fracture

Uneven, Brittle

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

1.6 Cleavage

Perfect on [100], [010], [001]

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

1.7 Mohs Hardness

2.56-6.5

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Pyrite Chemical Formula

While comparing Sylvite 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 Sylvite and Pyrite chemical formula.

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

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Sylvite and Pyrite Specific Gravity

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