Читать книгу The Rare Earths: Their Occurrence, Chemistry, and Technology - Stanley Isaac Levy - Страница 99

A variety of Cleveite (q.v.), readily soluble in dilute acids.

Cubic; crystallisation indistinct.

G = 8·01. H = 5¹⁄₂. Velvet black; opaque.

Bluffton, Llano Co., Texas.