| 单词 | ellsworthite |
| 释义 | ellsworthite [`elz·wǝr´thīt] MINERALOGY (Ca,Na,U)2(Nb,Ta)2O6(O,OH) A yellow, brown, greenish or black mineral of the pyrochlore group occurring in isometric crystals and consisting of an oxide of niobium, titanium, and uranium. Also known as betafite; hatchettolite. |
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