Bertrandite from selected localities.
USA | |
| http://coromotominerals.com/index.html |
http://coromotominerals.com/index.html; SEM-EDS analysis of the ferrocolumbite; King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1. | |
| No reference listed |
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King, V. T. and Foord, E. E., 1994, Mineralogy of Maine, Descriptive Mineralogy, volume 1, Maine Geological Survey, Augusta, Maine, USA, pp. 418 + 88 plates. "Maine Mineral Localites, 3rd Ed." by Thompson, W.B., et.al. , 1998 | |
No reference listed | |
Morrill et al, 1959, Maine Mines and Minerals. | |
| No reference listed |
Mount Mica Quarry, Paris, Oxford County, Maine, USA