[ Top ] [ Japanese ]

Perovskite [abbr. Prv ]

Year of discovery: 1839 (Akhmatovskaya mine, Russia), 1965 (Japan)

Locality list: 15 localities of perovskite

• CaTiO₃
• [Ca²⁺][TiO₃]^2-

• Class: Perovskite subgroup < Stoichiometric single group (ABX₃) < Stoichiometric perovskites < Perovskite supergroup
• Class: Titanate
• Substitution pseudomorph: Replaced by Anatase or Rutile. (Leucoxene)

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

• Ti => Nb: Latrappite
• Ti => Zr: Lakargiite

• Color: Dark brown, Black
• Streak: Pale gray
• Luster: Adamantine
• Diaphaneity: Transparent-Translucent

• Habit: Granular

• Cleavage: Imperfect on {001} (1 plane)
• Hardness: 5.5
• Density: 4.0

• System: Orthorhombic, Pseudocubic
• Group: mmm, Pnma
• Lattice: a=5.4, b=7.7, c=5.4