New Hampshire Mineral Locality Index Downloaded by [University of Newcastle, Australia] at 15:01 05...Groton, Grafton County. Rob Lawrence photo, courtesy Bob Whitmore. 242 ROCKS & MINERALS lthough New Hampshire...reading Jackson (1844) on the mineralogy of New Hampshire that even at this early date there was already...activity produced new localities, renewed some old localities, and resulted in new minerals being discovered...at 15:01 05 January 2015 LOCATIONS BY COUNTY Belknap County Alton area: arsenopyrite, galena, quartz |