Читать книгу The Rare Earths: Their Occurrence, Chemistry, and Technology - Stanley Isaac Levy - Страница 17
Arizonite.
ОглавлениеFerric metatitanate, Fe₂O₃,3TiO₂ or Fe₂(TiO₃)₃. TiO₂ = 36·7%.
Uncertain; apparently monoclinic.
G = 4·25. H = 6-7. Dark steel-grey; opaque.
Hackberry, Arizona.