Chalcopyrite from selected localities.
Spain | |
| Calvo, G. y Calvo, M. (2006). Fluorite from Spain. Every color under the Sun. In: Fluorite. The Collector's Choice. Lithographie LLC. Connecticut, USA. 38-42. |
| Fluorite: The Collector's Choice. Extra Lapis English No. 9; Calvo, M. (2006): Minerales y Minas de España. Vol. III, Halogenuros. Museo de Ciencias Naturales de Álava, 267 pp. |
| IGLESIAS, J. G., & LOREDO, J. (1994). Geological, geochemical and mineralogical characteristics of the Asturias Fluorspar District, Northern Spain. Exploration & Mining Geology Journal, 3, 31-37. |
Manuel Gutierrez Claverol, Carlos Luque Cabal, Jose Ramon Garcia Alvarez and Luis Miguel Rodriguez Terente (2009) La Fluorita - un siglo de mineria en Asturias. p260. |