silver. Associated minerals include cobaltite, skutterudite, arsenopyrite, löllingite, symplesite, roselite... Middlesex County, Connecticut; the Franklin and Sterling Hill zinc mines, Sussex County, New Jersey;...Putnam County, New York; Pennsylvania occurrences including the Cornwall iron mines in Lebanon County, the...mines in Chester County, and the Dyer, Robeson, and Hay Creek quarries in Berks County. It is reported...and Old Dominion soapstone quarries, Albemarle County, Virginia; and the Buick, Sweetwater, and other |