Specialists in fine minerals from the Cantabric Mountain Range since 1985.
Los rayos x y su difracción por los cristales
Una introducción sobre las imperfecciones cristalinas
The Fernández Buelga Mineral Collection
An Aproach to: Picos de Europa, the first national park in Spain
Rarity and size of gemstones. By John Sinkankas
Classic mineral localities in Spain (In workings)
Photos, text and desing: Juan Fernández Buelga.
Spanish Minerals ©