https://www.dekut.com/World_Business/gemstone-silver-ringsgemstones-beads/ Semiprecious stones are natural stones which includes amethyst, carnelian, garnet, opal, rose quartz, and so on. Only few gemstones are used as gems in the crystal, most of the gemstones are cut and polishes for making jewelry. These Gemstones are very attractive and differ in color. Sat, 24 Sep 2011 06:23:41 UTC en