staffelite Min.
(ˈstæfəlaɪt)
[ad. G. staffelit (C. A. Stein 1866, in Jahrb. des Vereins für Naturkunde im Herzogthum Nassau XIX–XX. 57), f. Staffel, name of a locality in Hesse, W. Germany: see -ite1.]
A carbonate-containing variety of apatite found as colourless or yellow masses; carbonatefluorapatite; = francolite.
| 1868 J. D. Dana Syst. Mineral. (ed. 5) 534 Staffelite of Stein..occurs incrusting the phosphorite of Staffel, in botryoidal, reniform, or stalactitic masses. 1939 Mineral. Mag. XXV. 401 Francolite and staffelite are identical, and the name francolite has priority. 1977 V. Gissing tr. Kou{rhacek}imsk{yacu}'s Illustr. Encycl. Minerals & Rocks viii. 256 Staffelite..is a stalactitic apatite and occurs in the Staffel deposits near Limburg, West Germany. |