Hectorite Mine (Industrial Mineral Ventures Mine; Franklin Well), Amargosa Desert, Inyo Co., California, USA : A former clay (hectorite) mine located in sec. 6, T26N, R5E, SBM, 13.2 km (8.2 miles) ENE of Pyramid Peak (coordinates of record) and 14.1 km (8.8 miles) NNW of Death Valley Junction, in the Amargosa .