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Calciotantite: Ca(Ta,Nb)4O11 Tantalite-(Mn): MnTa2O6
Comments: SEM image showing calciotantite (CT), manganotatntalite (MTT), microlite (MT) and lithiowodginite (LW) association. Location: Granitic pegmatites, Kalba, Kazakhstan. Scale: Scale bar 100 µm and 10 µm. © Diederik Visser