Читать книгу The Rare Earths: Their Occurrence, Chemistry, and Technology - Stanley Isaac Levy - Страница 140

Titanate of Zr, Ca, Al; Ca(Zr,Ti)O₃ + Al(Ti,Al)O₃? TiO₂ = 48; ZrO₂ = 22%.

Cubic; near to Perovskite (q.v.).

H = 5-6. Black. Transparent in flakes.

Lake Magad, E. Africa.