Brasil : GA Pedras is a leader company in the field of quartzite and slate stone extraction and working. A long-term experience in the exportation of stones to the main markets all over the world makes GA Pedras your ideal partner for any type of business cooperation. Italy: Cave Gontero Srl lies in the North-West of Italy, and owns both Luserna Stone and Quartzite quarries. Brazilian quartzite and slate are also available on stock. Cave Gontero Srl, a family-run company, is leader on the European market for extracting, processing and exporting Luserna stone, Barge quartzite, Brazilian quartzite and slate, Indian sandstone, Turkish marble and travertine for wall, floor and roof coverings.