operations are located in the Chicapa River and Luachimo River basins. Sociedade Mineira do Camatchia-Camagico/LUÓ a joint venture formed in 2003 with Hipergesta, Angodiam and ESCOM-Alrosa/Espírito Santo and Alrosa. Chimbongo Alfa 5 diamond production Projecto Yetwene 50% owned, in association with Mining BV/Grupo Lev Leviev; located in the Camissombo exploration area in the province of Lunda Norte. See also Conflict diamond Diamonds as an investment References External links ENDIAMA Companies based in Luanda Economy of Angola Diamond mining companies Mining companies of Angola