Español: Bavenita. Agregado de cristales laminares, con microcristales de pirita sobre ellos. Cantera Cadalso I, concesión El Venero, Cadalso de los Vidrios (Madrid), España. Diámetro, 13 mm. Colección y foto Miguel Calvo.
English: Bavenite. Aggregate of lamellar crystals, with pyrite microcrystals on them. Cadalso I quarry, El Venero concession, Cadalso de los Vidrios (Madrid), Spain. Diameter, 13 mm. Miguel Calvo collection and photo.
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