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Cordylite.
ОглавлениеFluocarbonate of Cerium metals and Ba; E₂F₂Ba(CO₃)₃. Cer = 49·4%.
Hexagonal; isomorphous with Parisite (q.v.).
G = 4·31. H = 41⁄2. Yellow; transparent.
Plain of Narsarsuk, Greenland.