释义 |
hjelm·ite noun also hielm·ite \ˈ(h)yelˌmīt, hēˈel-\ (-s) Etymology: Swedish hjelmit, from P. J. Hjelm died 1813 Swedish chemist + Swedish -it -ite : a black mineral that contains yttrium, iron, manganese, uranium, calcium, columbium, tantalum, tin, and tungsten oxide, is often metamict, and has uncertain affinities — comparesamarskite, tapiolite |