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Canada | |
| Palache, C., Berman, H., & Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 539. Hoffmann, C. (1880) Chemical Contributions to the Geology of Canada from the Laboratory of the Survey. Geological Survey of Canada, Report of progress for 1878-79, pg 8H. |
| Zodrow, Erwin L., McCandlish, Keith (1978) Hydrated sulfates in the Sydney coalfield, Cape Breton, Nova Scotia. The Canadian Mineralogist, 16 (1) 17-22 |