| Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. Spencer, L.J. and Prior, G.T. (1907) Mineralogical Magazine 14, #67, 308-344. |
Tazna Mine, Tasna Rosario, Cerro Tazna, Nor Chichas Province, Potosí, Bolivia