julienite Min.
(ˈdʒuːlɪənaɪt, juːlɪˈeɪnaɪt)
[ad. Flemish juliëniet (A. Schoep 1928, in Natuurwet. Tijdschr. X. 58), f. the name of Henri Julien (d. 1920), Belgian geologist: see -ite1.]
A hydrous thiocyanate of sodium and cobalt, Na2Co(SCN)4.8H2O, that occurs as minute blue needles and has been made artificially; orig. wrongly regarded as a cobalt chloro-nitrate.
| 1928 Mineral. Mag. XXI. 567 Julienite... Hydrated chloro-nitrate of cobalt as minute blue needles, presumably hexagonal and isomorphous with buttgenbachite: from Katanga. 1954 Mineral Abstr. XII. 337 Needles of julienite.., prepared by digesting Na-Co nitrite with an aqueous solution of Na sulphocyanide, are tetragonal. 1969 I. Kostov Mineral. 117 The interesting mineral julienite..is obtained during the exogenetic decomposition of primary cobalt sulphides. |