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RF Global's educational information on Iron Ore

About Iron Ore

Almost all of the Earth's iron ore deposits can be found in rock that had formed over 1.8 billion years ago. At the time it was formed, the oceans contained dissolved iron and almost no dissolved oxygen. However, when the first organisms that were capable of photosynthesis started releasing oxygen into the water, iron ore began forming. Oxygen combined with the dissolved iron ore, forming either Hematite or Magnetite.

Hematite and Magnetite differ due to the different oxidation states the Iron is in. Hematite (Fe2O3) tends to form in environments that are generally more oxygen-rich than Magnetite (Fe304). Magnetite tends to form in environments that contain more f02, such as in more evolved magmas, and can even be formed within metamorphic rocks. One important feature of magnetite is that it tends to hold a magnetic field. Hematite is easier to beneficate and is more cheaper, as it require less energy to crush and grind. One of the downsides is that hematite tends to have higher concentrations of penalty elements, due to the fact that it is higher in phosphorus, aluminum and water. Magnetite can easily change into Hematite in oxygen-rich environments.

Uses for Iron Ore: One of the main uses of Iron Ore is for the production of iron, which can then be used to make steel. Steel is one of the most commonly used metals, used in many products such as in ships, cars, beams in buildings, tools, and thousands of other products.

See our Standard & Actual Specifications for more some specifications on Iron Ore.

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	Hematite	Magnetite	Limonite	Pyrite	Taconite	Siderite
Pictures
Color	steel gray to black, reddish brown to black	black, opaque, submetallic to metallic	medium to dark yellowish brown	pale brass yellow	N/A	yellowish, reddish, grayish, brown
Chemical Formula	Fe2O3	Fe304	FeO(OH)�nH20	FeS2	N/A	Fe++CO3

Check out various pictures of iron ore by visiting our Iron Ore Pictures

Please contact us at itr@rfglobalholdings.com if you would like to inquire about Iron Ore Trading

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*Please Note: RF Global does not deal with any Futures related contracts in any Commodities. RF Global only deals with SPOT and Long-Term Commodity Contracts. Please also note that RF Global does not guarantee that it can match any specifications that are made available through the website. The specifications provided on the website are for convenience purposes only.

hematite

magnetite

production of iron

steel

rf global holdings

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