The presence of apatite in Logrosán is known since ancient times. Tradition has it that the Witches' Cercon Sabbaths were held in which the fire threw a white powder emitting fluorescent flashes. Sea Legend or reality, the truth is that the fame of this mineral passed our borders because the samples with which Proust first defined the fluorapatite, in 1781, came from this place. With the development of the fertilizer industry in Europe during the nineteenth century, created a high demand for phosphate minerals. Consequently, this site was the subject of numerous studies and attempts to use.
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