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Ore
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===Meaning===
[[File:Malachite.png|right|300px|thumb|This is a [[Copper]] [[ore]] called [[Malachite]] which has the [[Chemical Formula]] Cu<sub>2</sub>CO<sub>3</sub>(OH)<sub>2</sub>.]]
An [[ore]] is [[rock]] that has a large enough amount of a [[metal]] [[compoundmineral]] to be worth [[Extraction of Metals|extracting]] the [[metal]] from that [[mineral]].
===About Ores===
: [[Ore]]s are found in different places on the [[Earth's Crust]].
: All [[rock]]s have [[metal]] [[compoundmineral]]s in them but most do not have it them in a large enough fraction to be worth the money it would take to [[Extraction of Metals|extract]] a [[metal]] from them.