"Galena" . . . "galena mining" . "Galena" . "Galena#Argentiferous galena" . "argentifourous galenas" . . . . . "plumbago" . . "galena dust" . . . . . . "Galenobismutite" . . . "lead ore" . . "lead" . . . . . "native lead sulfide" . . . . "Galena, applied use in electronics of" . . "lead mining" . . "argentiferous galena" . . . . . . . "lead sulfide" . . "galena" . . . . . . . . "lead glance" . . . . . .