Leiper's Lower Avondale Quarry (Morrow Quarry; Facenda Quarry), Swarthmore (Avondale), Ridley Township, Delaware Co., Pennsylvania, USA
AlmandineLeiper's Lower Avondale Quarry, Swarthmore, Ridley Township, Delaware Co., Pennsylvania, USA
Photo: Jasun McAvoy Latitude: 39°54'N
Longitude: 75°21'W
Ref.: Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the Pennsylvania List 1965-1974, The Mineralogical Society of PA, Inc.: 36-37, 62-63, 75; Wherry, Edgar T. (1915), "Notes on Wolframite, Beraunite, and Axinite," Proc., U.S. Nat. Mus., Vol. 47:509-511; Gordon, Samuel G. (1922), Mineralogy of PA": 96; Montgomery, A. (Mar, 1964) in Pennsylavnia Minerals (PM), PM(17), Keystone Newsletter; Montgomery, A. (Jan & May, 1970) in Pennsylavnia Minerals (PM), PM(85) & (89); Montgomery, Arthur (1969), "Axinite," in "Minerals of Geochemical Interest," Mineralogy of PA, 1922-1965: 71. Rocks & Min.: 59:109-120 & 62:176-178. Located just North of Swarthmore on Route 320. A quarry in granite pegmatite. Started 1780 by Thomas Leiper (1745-1825).
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11 entries listed. 9 valid minerals.
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