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Cerotungstite-(Ce): (Ce,REE)W2O6(OH)3 Anthoinite: AlWO3(OH)3 Ferberite: Fe++WO4
Comments: Yellow cerotungstite-(Ce), with black ferberite veins and whitish anthoinite. Location: Bugarama, Rwanda. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species