Читать книгу The Rare Earths: Their Occurrence, Chemistry, and Technology - Stanley Isaac Levy - Страница 85
Loranskite.
ОглавлениеTantalate of E, Zr, Fe, etc. Yttr = 10; Cer = 3; ZrO₂ = 20%.
Massive.
G = 4·6. H = 5. Black; opaque. Metallic lustre.
Finland.
