a variety of quartz, of a color between grass green and leek green, which is found associated with common chalcedony. it was much esteemed by the ancients for making engraved ornaments.-the viscous material of an animal or vegetable cell, out of which the various tissues are formed by a process of differentiation; protoplasm.-unorganized material; elementary matter.-a mixture of starch and glycerin, used as a substitute for ointments.