Registros del 1 al 2 de 2 encontrados |
1.- Emerald: The most valuable Beyl; the most precious gemstone Behmenburg, C. Lapis International, 2002 extraLapis English Museo Ver registro
2.- Gemmology, geology and origin of the Sandawana emerald deposits, Zimbabwe Zwaan, J.C. Leiden: Nationaal Natuurhistorisch Museum, 2006 Scripta Geológica Revistas Ver registro
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