Читать книгу The Rare Earths: Their Occurrence, Chemistry, and Technology - Stanley Isaac Levy - Страница 142
Vietinghofite.
ОглавлениеA hydrated ferruginous samarskite (q.v.). E₂O₃ = 8·2; ZrO₂ = 1·0%.
Amorphous.
G = 5·53. H = 51⁄2-6. Dull black; opaque.
Lake Baikal, Siberia.
