libetheniteMin.|lɪˈbɛθənaɪt| [Named (Libethenit) by Breithaupt, 1823, from Libethen in Hungary: see -ite.] An olive-green phosphate of copper found in crystals and reniform masses. 1832Shepard Min. 174. 1868 Dana Min. (ed. 5) 563 Libethenite..occurs in quartz.