pyrolusite Definition

hausmannite, manganese, helvite, babingtonite, triploidite, chondrodite, pyrosmalite, triplite, manganic, gismondine, menaccanite, knebelite, cobaltite, omphacite, hauerite, manganiferous, manganesic, tennantite, ullmannite, volborthite, skutterudite, euclase, pargasite, libethenite, okenite, tephroite, germanite, cubanite, aurichalcite, schreibersite, amblygonite, stephanite, bismuthinite, phillipsite, baddeleyite, warwickite, calaverite, niobite, dyscrasite, ludlamite, brochantite, hyalophane, euxenite, melilite, chemical formula, linnaeite, eschynite, chalcanthite, kernite, pectolite, jamesonite, smaltite, mispickel, gmelinite, zinkenite, senarmontite, gahnite, strontianite, glaucodot, lanarkite, miargyrite, niccolite, tungstite, nickeline, boulangerite, thortveitite, proustite, scorodite, lazulite, greenockite, tetradymite, stibiconite, ludwigite, molybdite, mineral, thorianite, ilmenium, liroconite, nagyagite, saussurite, polianite, eosphorite, polybasite, roselite, stannite, cerargyrite, annabergite, ilvaite, cyclosilicate, ehlite, edingtonite, conite, homilite, stromeyerite, pigeonite, bournonite, karpholite, chamosite, boracite, triphylite,