- Chinchado-Sacramento mining district
| Yang, Hexiong, Downs, Robert T., Jenkins, Robert A., Evans, Stanley H. (2018) Segerstromite, Ca3(As5+O4)2[As3+(OH)3]2, the first mineral containing As3+(OH)3, the arsenite molecule, from the Cobriza mine in the Atacama Region, Chile. American Mineralogist, 103 (9) 1497-1501 doi:10.2138/am-2018-6329 |