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

Minerals, Free Full-Text

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Mineral Database - Mineralogy of Wales

Native metal - Wikipedia

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, tantalum

Mineralogy - Wikiversity

Large, heavy, long bladed crystal group to 12cm. The group is terminated with several parallel crystals with fine terminations. Aside from the

WOLFRAMITE

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Wolframite -, Thick tabular, black crystal showing good faces nearly all around., . This and many more mineral specimens are available for sale at

WOLFRAMITE Mineral Specimen For Sale