释义 |
quenselite Min.|ˈkwɛnsəlaɪt| [ad. G. quenselit (G. Flink 1925, in Geol. Föreningens i Stockholm Förhandl. XLVII. 377), f. the name of P. D. Quensel (b. 1881), Swedish mineralogist: see -ite1.] An oxide of lead and manganese, PbMnO2(OH), found as black, tabular, monoclinic crystals.
1926Mineral. Abstr. III. 110 Quenselite, another new mineral from Långban, Sweden, occurs as small (1 mm.) pitch-black crystals with calcite and baryte in crevices of the granular haematite ore. 1958Proc. Nat. Inst. Sci. India A. XXIV. 95 This is probably the first reported occurrence of quenselite in manganese ores of metamorphic origin. 1971Zeitschr. für Kryst. CXXXIV. 331 The significance of the quenselite structure lies in its role as a connecting link between certain of the Pb oxides and the lithiophorite-chalcophanite group... In addition to red and yellow PbO, quenselite has structural similarities to Pb2O3. |