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Lemmleinite-Ba: Na2K2Ba1-xTi4(Si4O12)2(O,OH)4·5(H2O)
Comments: Orange-brown pyramidal crystals of lemmleinite-Ba with greenish aegirine crystals. Location: Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 3 mm. © Thomas Witzke / Abraxas-Verlag