Lewis Well, Corcoran, Kings Co., California, USA

An occurrence in a well in sec. 23, T21S, R21E (MD).

References:
Melhase, John (1934), A diversity of many fine minerals available in California for collectors: Oregon Mineralogist: 7(7-8): 23.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 732.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 72.

Anthony, Bideaux, Bladh, Nichols (2000): "Handbook of Mineralogy", Vol. 4.