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Inaki Villanueva, the Metal Bulletin index analyst who developed the specifications for Metal Bulletin's two manganese ore indexes, explains how the indexes came about, their specifications, and how they have been received by the industry.

Villanueva will be giving a talk on the index specifications at the International Manganese Institute conference on June 4 to June 6. 

Click here for the Mn ore 38% index.

Click here for the Mn ore 44% index.

Click here for specifications.

editorial@metalbulletin.com