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  • Malachite
    ...l|carbonate]] hydroxide mineral, with the [[chemical formula|formula]] [[copper|Cu]]<sub>2</sub>[[carbonate|CO<sub>3</sub>]][[hydroxide|(OH)]]<sub>2</sub>. ...er 3,000 years.<ref>Parr, Peter J review of "Timma: Valley of the Biblical Copper Mines" by Beno Rothenberg Bulletin of the School of Oriental and African St
    7 KB (913 words) - 08:57, 20 August 2012
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