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| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111, 121. 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. |
| Bornhorst, T.J., Rose, W.I. (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Field Trip Guidebook. Institute on Lake Superior Geology Annual Meeting, Houghton, Michigan: 40(2). 185 pages. |
| King, V.T. (1986) World News on Mineral Occurrences. Rocks & Minerals: 61(6): 345. Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112. |