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Previous | Home | NextThe treatise of Haüy, director of the École des Mines, and the one who suggested to Vauquelin that beryl and emerald, since they had the same crystalline structure, might actually be the same mineral.
Paris, France /parisD747Previous | Home | NextThe treatise of Haüy, director of the École des Mines, and the one who suggested to Vauquelin that beryl and emerald, since they had the same crystalline structure, might actually be the same mineral. |
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