40th minerals and fossils exhibition

Organized by the Amicale Laïque de Grigny (69), with the assistance of the municipality, the Grigny mineral and fossil exchange will take place on March 23 and 24.

This year, the theme of the exhibition will be: "pegmatites: mines of rare elements".

Our colleagues from the French Association of Micromineralogy will have a stand on which the curious will be able to admire microcrystallized wonders.