An asbestos mine in ultrabasic, serpenitized rocks. Owned by Canadian Johns-Manville Co., Ltd.
Ref:(in part):
- Min.Rec.:20(5):393
- Tschernich, R. (1992): Zeolites of the World, p.493
- Amabili, M. , Miglioli, A. and Spertini, F. (2004). Recent discoveries at the Jeffrey Mine, Asbestos, Québec. The Mineralogical Record. 35: 123-135.
- Grice, J.D. and Williams, R. (1979). "Famous mineral localities: The Jeffrey Mine, Asbestos, Québec." Mineralogical Record, 10(2),pp:69-80.
- Spertini, F. (2001). "La mine Jeffrey, Asbestos, Québec, Canada." Le Règne Minéral(37),pp:10-34.