A silvery white metal that is very resistant
and stable at ambient temperatures.
Nitrates
Minerals containing the
Nitrate (NO3) radical as a major component.
Nodular
Small
rounded mineral mass shaped like a lump, often
found with concentric growth rings. Pisolitic
nodules are pebble to marble size; while, Oolitic
nodules are smaller sand to pebble sized nodules.
Non-metallic
Having a luster not like metal.
Nugget
A rounded or irregular lump of a mineral,
usually a native metal.