Jásper. n.s. [jaspe, Fr. iaspis, Lat.] A hard stone of a bright beautiful green colour, sometimes clouded with white, found in masses of various sizes and shapes. It is capable of a very elegant polish, and is found in many parts of the East Indies, and in Egypt, Africa, Tartary, and China. Hill's Mat. Med.
The basis of jasper is usually of a greenish hue, and spotted with red, yellow and white. Woodward's Met. Foss.
The most valuable pillars about Rome are four columns of oriental jasper in St. Paulina's chapel, and one of transparent oriental jasper in the vatican library. Addison on Italy.