| 释义 |
seligmannite Min.|ˈsɛlɪgmənaɪt|
[ad. G. seligmannit (H. Baumhauer 1901, in Sitzungsber. d. K. Preuss. Akad. d. Wissensch. zu Berlin 110), f. the name of Gustav Seligmann (1849–1920), German mineral collector: see -ite1.]
An arsenic sulphide of lead and copper, PbCuAsS3, occurring as brittle, dark grey to black, orthorhombic crystals having a metallic lustre.
1902Mineral Mag. XIII. 205 Seligmannite... Of this mineral,..only five crystals, varying in size from ½ to 4 mm., have been found. 1969Zeitschr. für Krist. CXXX. 224 The structure of seligmannite is built up essentially of a framework or CuS4 tetrahedra and AsS3 pyramids, with lead atoms inserted in the large holes. |