单词 | pectolite |
释义 | pectolitenoun pec·to·lite ˈpektəˌlīt plural -s : a whitish or grayish monoclinic mineral NaCa2Si3O8(OH) consisting of a basic sodium calcium silicate occurring in crystal aggregates or fibrous masses (hardness 5, specific gravity 2.68–2.78) |
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