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Calciohilairite: CaZrSi3O9·3(H2O) Kuzmenkoite-Mn: (K,Na)2(Mn,Fe)(Ti,Nb)4[Si4O12]2(OH)4·5(H2O)
Comments: White rhombododecahedral crystals of calciohilairite associated with orange=brown stout prismatic kuzmenkoite-Mn on matrix. Location: Flora Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: FOV ~1x1 cm. © Pavel M. Kartashov