Crystals Rocks Minerals to Tempt and Tantalise You

In Geology What is an Ore?

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Hematite is an Ore of Iron

An ore is a type of rock that contains important minerals with natural elements such as metals.  It must contain enough of the metal to make extraction worthwhile.

Metals are usually extracted from ores through a process of heating and reduction also known as smelting.  Not all metals can be extracted in this way.

Another process used to separate the ore from the rock is electrolysis.  This process separates the two materials by using acid and electricity. 

Examples of ores include malachite although the mineral chalcopyrite is mostly used today as an of copper.  Hematite and goethite are ores of iron.  Galena is an ore of lead.

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