fluorian, a. Min.
(ˈfluːərɪən)
[f. fluorine + -ian.]
Of a mineral: having a (small) proportion of a constituent element replaced by fluorine.
| 1930 W. T. Schaller in Amer. Mineralogist XV. 571 The adjectival endings thus formed for the names of all the chemical elements are given below... Fluorine—fluorian. 1959 W. H. Dennen Princ. Mineral. vii. 363 Chemical varieties [of phlogopite]: Fluorian, ferroan, manganoan. |