Human activity creates 208 new mineral species

[caption id="attachment_878104" align="aligncenter" width="638"] Nealite [Pb4Fe(AsO3)2Cl4·2H2O] From an ancient slag site in Greece, formed by slag meeting seawater. Credit RRUFF.[/caption](This article first appeared May 2017) For the first time, more than 200 mineral species have been identified that originated either...

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