Читать книгу The Rare Earths: Their Occurrence, Chemistry, and Technology - Stanley Isaac Levy - Страница 17

Arizonite.

Оглавление

Ferric 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.

The Rare Earths: Their Occurrence, Chemistry, and Technology

Подняться наверх