“Tabular striated crystals of metallic-black Brookite together with small black crystals of Anatase of the second generation overgrow large double-terminated dipyramidal crystal of dark-blue Anatase of the first generation. Specimen size is 19x15x13 mm. Collected by Alexei A. Konev in early 90th. Pavel M. Kartashov collection and photo. ”
Pavel Kartashov - 8th June 2009