Moyd) BERYL 21:235-248 Emerald [beryl] mining in Colombia: history and BIRCH, WILLIAM (BILL) D. geology...Rouse) 5:280-287 BOLIVIA The mineralogy of the department of Oruro, Bolivia (by R. B. Cook, Jr.) 6:125-137...of creedite at Colquiri, Inquisivi province, department of La Paz, Bolivia (by R. B. Cook, Jr.) 6:278-281...16:217-230 COLOMBIA Great pockets: the Cresson Vug, Cripple Creek Emerald mining in Colombia: history and...County, Georgia 16:443-458 The mineralogy of the department of Oruro, Bolivia 6:125-137 M01phologyand occurrence |
Dagua, Dagua, Valle del Cauca Department, Colombia