HOL 003 Crystal Bowl V287 Eclipse 23 cm24% lead crystal bowl. Natural mountain crystal, which is found in the hollows of rock formations, is a semi precious stone of great hardness. The crystal we find in the gift and tableware market is glassware, called crystal because of its clarity, fine quality and high refractive power Lead crystal is the term used for glass that combines silica, potash, cullet AND lead oxide. The lead content softens the glass and makes it easier to cut. At the same