00485nas a2200073   4500008003900000245026000039210006900299856004300368       1989                          d00aCILEK, V.G. 1989. Industrial minerals of Mozambique. Geological Survey, Prague. 326 pp.COELHO, A.V.P. 1959a. Reconhecimentos petrograficos sumarios dos macicos da Lupata, Morrumbala, Chiperone-Derre e Milange. Boletim. Servicos de Geologia e Minas, Provin0 aCILEK VG 1989 Industrial minerals of Mozambique Geological Surve  uhttps://alkcarb.myrocks.info/node/7262