单词 | alstonite |
释义 | alstonite/ˈɔːlst(ə)nʌɪt/ /ˈɒlst(ə)nʌɪt/Mineralogy noun A mineral consisting of a double carbonate of calcium and barium, typically occurring as strongly striated colourless or white pseudohexagonal pyramids.
OriginMid 19th century; earliest use found in Edinburgh New Philosophical Journal. From the name of AlstonMoor, an area of moorland in Cumbria, England, where the mineral was discovered + -ite, after German Alstonit. |
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