FeO,Sb₂O₅ + 5FeO,TiO₂? TiO₂ = 35% about.
Orthorhombic; habit prismatic.
G = 4·53. H = 5. Pitch black; opaque; lustre resinous.
Tripuhy, Minas Geraes, Brazil.
Dysanalyte (Perovskite).
Approximately 6RTiO₃,R(Cb,Ta)₂O₆, where R = Ca, Fe´´. Believed by Hauser to be merely an impure [Perovskite] (q.v.). Cer = 0-5·1; TiO₂ = 41·5-59·3%.
Cubic.
G = 4·13. H = 5-6. Black; opaque.
Vogtsburg, near Baden, Germany.