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USA | |
| 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. Dana 6, App. 3 (1915) by W.E. Ford: 45 Dana, Edward Salisbury (1892) A System of Mineralogy (6th ed.) Encyclopedia of Minerals, 2nd Ed: 671. |
- North Star Mine (Star Consolidated Mine)
| MarekC (2018) pers. collection, Raman verified. |