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▲ 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.

▲Bourse minéraux et fossiles de Sainte Marie aux Mines (Alsace)▲

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OC728kes1 Opale Australienne

By opal orion

January 28, 2014
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https://www.geoforum.fr/gallery/image/8091-oc728kes1-opale-australienne/

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Différentes opales Australiennes : opale noble noire, blanche, cristal, koroit, boulder, andamooka, triplet, etc... provenant principalement de Lightning Ridge, Coober Pedy et du Queensland

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Opales Australiennes

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https://www.geoforum.fr/gallery/image/8091-oc728kes1-opale-australienne/

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