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单词 johannite
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.
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