Unsteady, random; prone to unexpected changes; not consistent.
Deviating from normal opinions or actions; eccentric; odd.
A rock moved from one location to another, usually by a glacier.
Anything that has erratic characteristics.
Unpredictable, erratic or fickle; mercurial.
The metal mercury.
An amalgam of mercury and tin applied to the backs of mirrors, quicksilvering.
To overlay with quicksilver.
To treat with quicksilver.