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| 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. Igelström (1897) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 27: 601 |
Kiirunavaara Mine, Kiruna Town Mining District, Kiruna, Norrbotten County, Sweden