Wolframite Group: Mineral information, data and localities.

Note: "Wolframite" usually has a chemical composition covering the range between Hübnerite and Ferberite. Rarely, "wolframite" could also correspond to

Wolframite - Encyclopedia

Wolframite - an overview

PDF] Focus areas for data acquisition for potential domestic resources of 11 critical minerals in the conterminous United States, Hawaii, and Puerto Rico—Aluminum, cobalt, graphite, lithium, niobium, platinum-group elements, rare earth elements

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Mineral - Wikipedia

WOLFRAMITE Mineral Specimen For Sale

Niobium - Wikipedia

Wolframite mineral information and data

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