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单词 pectolite
释义

pectolite

noun

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)

Word History

Etymology

German pektolith, from Greek pēktos compacted (from pēgnynai to fix, fasten) + German -lith -lite

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更新时间:2025/2/3 13:24:44