Opta Minerals
North America’s leading integrated processor, distributor and seller of Industrial Minerals
Steelmaking & Magnesium Sales: 1-800-321-2282 (USA); 1-888-689-6560 (Canada) Foundry, Blast-Cleaning, Filtration & Waterjet Sales: 1-800-252-9288 (USA); 1-888-689-6661 (Canada) Emerald Creek Garnet: 1-888-5 GARNET (1-888-542-7638) (USA)