▲ Bourse minéraux et fossiles de Sainte Marie aux Mines (Alsace) - 24>28 juin 2026 ▲

Principaux sujets de Géoforum.

Bourse minéraux Sainte Marie aux Mines 2026, avec fossiles et gemmes.

007 Opale micro cristalline Sur balsalt Haute Loire Mont Coupet

trouvé à langeac, un gros bloc environ 500Kg, deux jours de travail avec un collègue de Mars en ardèche

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