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Quelques-uns des principaux sujets de Géoforum.

Bourse minéraux Sainte Marie aux Mines 2026, avec fossiles et gemmes.
▲ 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.
▲Bourse minéraux et fossiles de Sainte Marie aux Mines (Alsace)▲

Microscope polarisant.

Lispach

By Lispach
in Roche et pétrographie

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