International audienceAdornments made from sericite and other micas are found mainly in funerary contexts across the northwestern quadrant of France. The analysis of such contexts shows that these objects were used over a long time, as they appear in individual burials dated back to the end of the early Neolithic period, but especially in those contexts belonging to the middle Neolithic 2 period, where they are found in passage graves and even in the tombs with vestibules of the late Neolithic period. Even when the spatial clustering, as well as the identification of roughouts and the presence of vein deposits of this raw material, suggests that the production of sericite adornments was well circumscribed to the Loire-Atlantique, their dist...