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单词 pectolite
释义 pec·to·lite
\ˈpektəˌlīt\ noun
(-s)
Etymology: German pektolith, from Greek pēktos compacted (from pēgnynai to fix, fasten) + German -lith -lite — more at pact
: 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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更新时间:2024/12/23 22:38:14