Salvadora Mine, Calama, El Loa Province, Antofagasta Region, Chile

Refs.:
- Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York.: 977.
- Dana, E.S. (1899) System of Mineralogy, 6th. Edition, New York.; Appendix 1: 61.
- 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. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 446, 457.