Welcome to GoodRock USA

GoodRock USA is a wholly-owned subsidiary of the GoodEarth Group, which mines, processes and sells a range of industrial minerals from locations across the globe with a distinct focus on manganese and manganese-based chemicals products.

The privately held group’s commercial activities span six continents with mining and manufacturing locations in India, South Africa, and Zambia.

GoodRock USA services its customers from strategically located warehouses across North America.




GoodRock USA offers a full menu of manganese-based additives as well as other industrial minerals from our parent company’s multiple production facilities.

Hover over the images below to learn about the applications of our products

Animal Feed

GoodRock supplies manganese-based additives that are essential for animal nutrition and overall health


GoodRock supplies manganese-based products for effective crop nutrition


GoodRock supplies high-grade manganese oxide used as an essential component in the production of electrolytic manganese dioxide (EMD)

Clay Brick

GoodRock supplies through the body colorants used in the production of clay bricks


GoodRock’s FibeOx ™ is used as an oxidizer in fiberglass production

Water Treatment

GoodRock’s M.dox 72 ™ is a manganese based filter media used in the removal of manganese and iron from drinking water


GoodRock’s Mn3O4 Hausmanite is used as a weighting agent in high pressure, high temperature (HPHT) wells


GoodRock offers industrial mineral additives used in the metallurgical and glass industries

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Contact us today for more information about our manganese products and applications