WGNHS
Wisconsin Geological and Natural History Survey

Rhodizite

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Rhodizite, Animikie Red Ace pegmatite in Florence County, Wisconsin. Backscatter electron image. (Photo by Al Falster.)

Formula: (K,Cs)Al4Be4(B,Be)12O28 Isometric

Description:Rhodizite is an extremely rare mineral forming colorless, white to yellowish crystals in complex pegmatites.FLORENCE COUNTY: Rhodizite is reported as small euhedral crystals in the “Animikie Red Ace Pegmatite”, most likely the lithium-rich pegmatites exposed in sec. 22 T.39N. R.17E. (Falster, 1993, pers. comm.).