Читать книгу The Rare Earths: Their Occurrence, Chemistry, and Technology - Stanley Isaac Levy - Страница 150
Yttrocrasite.
Оглавление(Ca,Pb)O,(Th,U)O₂,3E₂O₃,16TiO₂,6H₂O. Yttr = 25·7; Cer = 2·9; ThO₂ = 8·7; TiO₂ = 49·7%.
Orthorhombic; axial ratios unknown.
G = 4·80. H = 51⁄2-6. Black; lustrous.
Burnet Co. Texas.
