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Bourse minéraux Sainte Marie aux Mines 2025, avec fossiles et gemmes.
Bourse minéraux et fossiles de Sainte Marie aux Mines (Alsace) - 25>29 juin 2025

Bill Grommes

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  1. We have been studying a glass- like rock for over three years now and have identified many microscopic sea creatures from the Ordovician period encased within this "rock." My initial question is simple: has anyone ever heard of well preserved (including flesh) sea creatures encased in a glass-like rock? Also where is there a laboratory that would have the necessary equipment to analyze this unusual "rock"?
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