Minerals from Metamorphosed Manganese Deposits in Japan and Their Relationship to the Franklin-Sterling...On July 31, 2008, Fred Lubbers was digging on the Mine Run Dump at Sterling Hill when he noticed an unusually...Willemite is rare at Sterling Hill, rare on the Mine Run Dump, and unique in a dump-collected specimen...Fred Lubbers on July 31, 2008 at Sterling Hill’s Mine Run Dump Description: radiating white willemite...Hill Mining Museum. Collecting permitted on the Mine Run Dump and in the Fill quarry, Passaic pit, and |