释义 |
joˈhannite2 Min. [ad. Ger. johannit; so named by Haidinger, 1830, in honour of the Archduke Johann: see -ite.] Uranium sulphate containing some copper, found in green druses.
1835Shepard Min. I. 288 Johannite..dissolves easily in water. 1892Dana Min. 978 Johannite... In a glass tube at a low heat does not change. |