GMA Garnet Group (GMA) is the trusted global leader in industrial garnet and has been providing the highest quality garnet abrasive to the waterjet cutting and protective coating industries for over 35 years.
GMA is the only global garnet supplier to own the complete supply chain from source and processing to international distribution. We own our mines and processing plants in Australia, the USA and the Middle East and have invested significantly to expand our sources of supply and production capacity to incorporate alluvial, crushed and recycled garnet.