Jasper is a variety of quartz that may contain up to 20 percent foreign materials or inclusions, including organic material and mineral oxides, which determine the color, pattern and appearance of the stone. Uniformly colored jasper is uncommon but not unheard of; usually jasper is multicolored, spotted or banded. This stone is opaque, even in thin slices, and takes a high polish. Different types of jasper display different lusters. Like agate, the wide selection of jaspers includes a range of trade names and classifications that are used by jewelry makers and collectors.The word "jasper" is derived from the Greek word iaspi meaning "spotted stone," related to the Hebrew joseph and the ancient Assyrian word ashpu. 

Rainbow jasper is a blend of burgundy, brown and gold colors in broad banding patterns. Like all jasper, its deeply banded colors come from organic material and iron oxides imbedded in it. Rainbow jasper is found in Africa and India and like other jasper gemstones, rainbow jasper is a chalcedony and member of the quartz group. The broad swirls and patterns of colors are actually finely divided minerals such as clay and iron oxide. Rainbow jasper contains banded colors of red, brown and tan resembling a rainbow. Large rainbow jasper boulders are used to embellish gardens, landscaping or water installations. In ancient times, the Egyptians wore Jasper as amulets, covered in inscriptions from their Book of the Dead as well as placing protective amulets and brooches with the mummies of the deceased. It is widely believed that Jasper was the 12th stone in the breastplate of the Hebrew High Priest, and is said to be the foundation stone of New Jerusalem. Some Native American tribes used jasper to dowse for water and to call rain. Rainbow Jasper contains within it all the properties and energies of Jasper as well as others. Rainbow jasper is called a "sustaining stone," and thought to be helpful in times of emotional fatigue or stress. Rainbow jasper is often used to calm the body and mind and soothe anxious energy. it is believed to be beneficial in collecting one's thoughts so as to help one feel more secure and relaxed when making decisions. Jasper gives one the courage to speak out and have personal independence. It also protects from fears in the night.