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Canada | |
| Tarassoff, Peter, Horváth, László, Pfenninger-Horváth, Elsa (2006) Famous mineral localities: The Francon Quarry, Montreal, Quebec, Canada. The Mineralogical Record, 37 (1) 5-60 GRICE, J.D. (1989) A Mineral Locality in Montreal City. In: Famous Mineral Localities of Canada. Published by Fitzhenry & Whiteside Limited & the National Museum of Natural Sciences, 190 pages: 109-114 176-178. |
| Sabina, A.P. (1978) Some new mineral occurrences in Canada. GSC Paper 76-1A,253-254. |
| Bancroft & Howard (1923) |
| Horváth Collection - confirmed by XRD |
Francon quarry, Montréal, Québec, Canada