Tourmaline and Pyrite Physical Properties

Tourmaline

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

2.85-3.355.00-5.20

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Indistinct

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

1.7 Mohs Hardness

7-7.56-6.5

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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

Tourmaline and Pyrite Chemical Formula

While comparing Tourmaline 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 Tourmaline and Pyrite chemical formula.

Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Chemical formula of Pyrite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Tourmaline and Pyrite Specific Gravity

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