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Comments: Sub-metallic zirkelite crystal aggregate.
Location: Jacupiranga Mine, Sao Paulo, Brazil.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
Comments: Black, massive aggregate of zirkelite with minor brown biotite and a thin vein of white calcite.
Location: Palabora Open Pit mine, Loolekop, Phalaborwa, Limpopo Province, Transvaal, Republic of South Africa.
Scale: Picture size 1.5 cm.
© Paul M. Schumacher