penroseite
noun
pen·rose·ite
ˈpenˌrōˌzīt
plural -s
: a mineral (Ni,Cu,Pb)Se2 structurally like pyrite consisting of a selenide of lead, copper, and nickel and occurring in lead gray radiating columnar masses (hardness 3, specific gravity 6.9)
Word History
Etymology
Richard A. F. Penrose †1931 American geologist + English -ite
- piece
- piece (together)
- piece accent
- piece bag
- piece broker
- piece by piece
- piece fraction
- piece goods
- piece mark
- piece mold
- piece of cake
- piece of eight
- piece of one's mind
- piece of perspective
- piece of shit
- piece of the action
- piece of the puzzle
- piece of water
- piece of work
- piece price
- piece price system
- piece rate
- piece together
- piece-dye
- piece-dyed