Sphalerite from selected localities.
Spain | |
| Manuel Gutierrez Claverol, Carlos Luque Cabal, Jose Ramon Garcia Alvarez and Luis Miguel Rodriguez Terente (2009) La Fluorita - un siglo de mineria en Asturias. p263. |
| Calvo, G. y Calvo, M. (2006). Fluorite from Spain. Every color under the Sun. En: Fluorite. The Collector's Choice. Lithographie LLC. Connecticut, USA. 38-42.Manuel Gutierrez Claverol, Carlos Luque Cabal, Jose Ramon Garcia Alvarez and Luis Miguel Rodriguez Terente (2009) La Fluorita - un siglo de mineria en Asturias. p270. |