man·ga·nite 
(mănggə-nīt′)
(mănggə-nīt′)n.
A steel-gray to black mineral, MnO(OH), found in North America and Europe; manganese oxide.
- presser
- press gang
- pressgang
- press-gang
- pressing
- pressingly
- press kit
- press luck
- pressman
- pressmark
- press of sail
- press one's luck
- pressor
- press/push (one's) luck
- press release
- pressroom
- press run
- pressrun
- press secretary
- press the flesh
- presstime
- pressure
- pressure anemometer
- pressure cabin
- pressure-cook