释义 |
us·sing·ite \ˈəsiŋˌīt\ noun (-s) Etymology: Danish ussingit, from Niels V. Ussing died 1911 Danish mineralogist + Danish -it -ite : a mineral Na2AlSi3O8(OH) consisting of a basic sodium aluminum silicate related to the zeolites and occurring in reddish violet masses (hardness 6-7, specific gravity 2.5) |