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Bokite: (Al,Fe+++)1.3(V++++,Fe)8O20·4.7(H2O)
Comments: Tannish "spots" as very micro acicular bokite crystals filling in between grains. Eaton Collection. Location: Monument #2 mine, Apache Co.,, Arizona, USA. Scale: Picture size 0.5 cm. © Tom Loomis / Dakota Matrix
Comments: Dark brown micro crystal rosettes of bokite in matrix. Location: Monument #2 Mine, Apache County, Arizona. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species