| 释义 |
ullmannite Min.|ˈʌlmənaɪt|
[From the name of Prof. J. C. Ullmann + -ite1; in sense b named by J. Fröbel in 1850.]
(See quots.)
† a.1839Penny Cycl. XIV. 382/1 Phosphate of Manganese and Iron: Ullmannite... Occurs at Limoges in France.
b.1868Watts Dict. Chem. V. 936 Ullmanite, antimonial or antimonio-arsenical nickel-glance. 1875Ure's Dict. Arts (ed. 7) III. 1050 Ullmannite, an antimonio-sulphide of nickel, occasionally containing arsenic. It occurs at Freusberg, in Nassau. |