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Pseudorutile

Year of discovery: 1966 (South Neptune Island, Australia), 1999 (Japan)

Locality list: A locality of pseudorutile

• Fe₂Ti₃O₉
• [Fe³⁺₂][Ti⁴⁺₃][O₉]^18-

• Class: Oxide

• Fe => (Cr,V): Olkhonskite
• Fe => V: Schreyerite

• Color: Black, Reddish brown
• Streak: Reddish brown
• Luster: Submetallic
• Diaphaneity: Opaque

• Cleavage: No
• Hardness: 3.5
• Density: 3.8

• System: Trigonal
• Group: 32, P3₂2
• Lattice: a=14.4, c=4.6