| 单词 | heulandite |
| 释义 | heulandite /hyooh"leuhn duyt'/, n. a white or transparent, colorless mineral of the zeolite family, hydrous calcium aluminum silicate, CaAl2Si7O18·6H2O, occurring in basic volcanic rocks in the form of crystals with a pearly luster. [1815-25; named after Henry Heuland, 19th-century English mineral collector; see -ITE1] |
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