Clod

a lump or mass, especially of earth or clay. a stupid person; blockhead; dolt. earth; soil. something of lesser dignity or value, as the body as contrasted with the soul: this corporeal clod. a part of a shoulder of beef. Shortly: Yellow diamond.
Also shortly: A stupid person or piece of earth of clay. (Sometimes)

Peridot: "You CLOD!" "You... Crystal clods!" "Lumpy, clumpy, clodss!~" "..Unsufferable,half formed, trader, mega clods!" "...much more useful than those clods." :3