Читать книгу The Rare Earths: Their Occurrence, Chemistry, and Technology - Stanley Isaac Levy - Страница 84
Lewisite.
Оглавление3R´´Sb₂O₆,2R´´TiO₃, where R = Ca, Fe´´ and Mn. TiO₂ = 11-12%.
Cubic; in small octahedra.
G = 4·95. H = 51⁄2. Yellow to brown; translucent.
Tripuhy, Minas Geraes, Brazil.