Haddington section, Philadelphia, Philadelphia Co., Pennsylvania, USA
Ref.: Reed, Juliet C., Annotated Bibliography of Minerals New to the Pennsylvania List - 1965-1974, Min. Soc. of PA, Inc. (1976): 70-71; Grant, Raymond W. (Jun, 1974), PA Minerals (PM), PM(138), Keystone Newsletter.
1 entry listed. 1 valid mineral.
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Locality Updated: Champa quarry, Le Gua, Isère, Rhône-Alpes, FranceFrom Jean-Marc Johannet, 11th Dec 2013 21:00:36