Pulsifer Quarry & Dionne extension, Mt. Apatite District, Auburn, Androscoggin Co., Maine, USA

Granite pegmatite. Western Mt. Apatite group. - Oxford pegmatite field. (The Dionne extension to the Pulsifer Quarry was excavated during mid-1990s mining.)

References:
- Wilson, W. E. (1977): Famous mineral localities: The Pulsifer Quarry. Mineralogical Record 8 (2), 72-77
- Dunn, P. J. (1977): Apatite. A guide to species nomenclature. Mineralogical Record 8 (2): 78-82 [with analysis of Apatite-(CaF) from Pulsifer]
- King, V. T. and Szenics, T., (2008): Pulsifer Quarry, Androscoggin County, Maine. American Mineral Treasures.

http://www.findarticles.com/p/articles/mi_m0GDX/is_1997_Jan/ai_53285854