A total of 800,000 tons of black granite, particularly Negro-Angola, is being extracted annually by the various companies registered with the Association of Producers, Transformers, Traders and Exporters of Ornamental Stones of Southern Angola (APEPA). The vice-president of the association, Elias Cipriano, highlighted the provinces of Huíla and Namibe as the most attractive in the country as they account for 80 percent of the exploration and export of rocks of various types, with emphasis on