morion

noun

a hatlike, crested helmet without beaver or visor and with a curved brim coming to a peak in front and in back, worn in the 16th and 17th cent.

Etymology: OFr < Sp morrión < morra, crown of the head, snout: see moraine

noun

a variety of quartz, dark-brown to black in color

Etymology: misreading of L mormorion (in early editions of Pliny)