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
- family Bible
- family business
- family circle
- family contract
- family court
- family day
- family doctor
- family doctors
- family expense
- family fare
- family farm
- family flour
- family friend
- family history
- family income policy
- family jewels
- family leave
- family life
- family maintenance policy
- family man
- family name
- family names
- family of nations
- family of orientation
- family of procreation