| 单词 | voltaite | 
| 释义 | voltaiten. Mineralogy.   A hydrous sulphate of iron occurring in green, black, or brown crystals. ΘΚΠ the world > the earth > minerals > types of mineral > sulphates > 			[noun]		 > iron sulphate > hydrous or hydrated apatelite1844 voltaite1846 amarantite1890 kornelite1892 siderotil1897 lausenite1928 1846    J. E. Worcester Universal Dict. Eng. Lang. (citing Dana).  				 1852    J. D. Dana Min. 228  				Voltaite is a double sulphate of iron, alumina, potash and water crystalising like alum in octahedrons. 1868    H. Watts Dict. Chem. V. 1005  				Voltaite, a ferroso-ferric sulphate, containing alumina, occurring at the Solfatara, near Naples. This entry has not yet been fully updated (first published 1920; most recently modified version published online September 2021). <  | 
	
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