▲ Bourse minéraux et fossiles de Sainte Marie aux Mines (Alsace) - 25>29 juin 2025 ▲

Principaux sujets de Géoforum.

Bourse minéraux Sainte Marie aux Mines 2025, avec fossiles et gemmes.

Autunite sous UV longs, Les Oudots Morvan

Autunite, sous UV longs. Fluorescence forte jaune.

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