Читать книгу The Rare Earths: Their Occurrence, Chemistry, and Technology - Stanley Isaac Levy - Страница 91

Microlite.

Оглавление

Complex columbate of Ca, E, Fe, etc., with F and H₂O. E₂O₃→ 8%.

Cubic; habit octahedral.

G = 5·48-5·56. H = 5-512. Red to yellow.

Stockholm, Sweden; Island of Elba; and in U.S.A.

The Rare Earths: Their Occurrence, Chemistry, and Technology

Подняться наверх