It occurs associated with pyrite, sphalerite, wurtzite, galena, stibnite, orpiment, realgar, enargite, tetrahedrite, zinkenite, jordanite, bournonite, sterryite, boulangerite, jamesonite and sartorite at Madoc.
3.
"' Jordanite "'is a sulfosalt mineral with chemical formula Pb 14 ( As, Sb ) 6 S 23 in the monoclinic crystal system, named after the German scientist Dr H . Jordan ( 1808 1887 ) who discovered it in 1864.
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