Geografía e Historia
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Antimoniuro de níquel denominado Breithauptita, de mina Balcoll, en el término de Falset, Tarragona.
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Plata nativa de mina Balcoll, en término de Falset, Tarragona, ejemplar procedente de sus escombreras.
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Galena de la cantera de Bakio, Vizcaya, actualmente la plaza de la cantera alberga la depuradora de aguas de la ciudad.
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Pirita, procedente de Mina La Respina, Fuentes de Respina, Puebla de Lillo, León. Museo de Ciencias Naturales de Álava.
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