Renierite was named after Armand Renier ( 26 June 1876-9 October 1951 ), a Belgian geologist and Director of the Belgian Geological Survey.
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Associated minerals include : adamite, paradamite, kottigite, scorodite, smithsonite, leiteite, renierite, pharmacosiderite, aurichalcite, siderite, goethite and pyrite.
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Hemusite occurs as rounded isometric grains and aggregates usually about 0.05 mm in diameter and in association with enargite, luzonite, colusite, stannoidite, renierite, tennantite, chalcopyrite, pyrite, and other minerals.