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) |