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Watatsumiite: Na2KMn2LiV2Si8O24 Potassicleakeite: KNa2Mg2Fe+++2LiSi8O22(OH)2
Comments: Yellow green prismatic crystal of watatsumiite terminated by pyramidal faces associated with reddish brown potassicleakeite and clear quartz (JMPS, v 98, p 149). Location: Tanohata mine, Iwate Prefecture, Japan. Scale: See Image. © JMPS