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Tausonite

Year of discovery: 1984 (Ditmar stream, Russia), 1998 (Japan)

Locality list: 3 localities of tausonite

• SrTiO₃
• [Sr²⁺][TiO₃]^2-

• Class: Perovskite subgroup < Stoichiometric single group (ABX₃) < Stoichiometric perovskites < Perovskite supergroup
• Class: Titanate

• Sr => Ba: Barioperovskite
• Sr => Ce: Loparite-(Ce)
• Sr => Ca: Perovskite
• Sr => Zn: Ecandrewsite
• Sr => Mg: Geikielite
• Sr => Mn: Pyrophanite
• Sr => Fe: Ilmenite

• Color: Red, Reddish brown, Dark gray
• Streak: Pale brown
• Luster: Adamantine
• Diaphaneity: Translucent

• Cleavage: No
• Hardness: 6-6.5
• Density: 4.9

• System: Cubic
• Group: m3m, Pm3m
• Lattice: a=3.9