hjelmite
noun
hjelm·ite
variants or less commonly hielmite
ˈ(h)yelˌmīt,
hēˈel-
plural -s
: a black mineral that contains yttrium, iron, manganese, uranium, calcium, columbium, tantalum, tin, and tungsten oxide, is often metamict, and has uncertain affinities compare samarskite, tapiolite
Word History
Etymology
Swedish hjelmit, from P. J. Hjelm †1813 Swedish chemist + Swedish -it -ite
- fixed bayonet
- fixed beam
- fixed block
- fixed charge
- fixed cost
- fixed exchange
- fixed for
- fixed for life
- fixed gunnery
- fixed light
- fixed oil
- fixed on
- fixed point
- fixed price
- fixed service
- fixed sign
- fixed signal
- fixed spool
- fixed star
- fixed stars
- fixed station
- fixed up
- fixed upon
- fixed year
- fixed-do system