Читать книгу The Rare Earths: Their Occurrence, Chemistry, and Technology - Stanley Isaac Levy - Страница 94
Mosandrite.
ОглавлениеIn composition identical with Johnstrupite (q.v.).
Isomeric with Johnstrupite (q.v.).
G = 2·93-3·03. H = 4. Reddish brown; translucent.
Langesund Fiord, Norway.