Jasper, a form of chalcedony, is an opaque, impure variety of silica, usually red, yellow, brown or green in color. Vermont jasper is red with inclusions of other minerals in it, with a a Mohs hardness rating of 6.5 – 7. Jaspilite is a banded iron formation rock that often has distinctive bands of jasper.
Metaphysical: Jasper is a sign of protection. Those interested in working with their chakras (or metaphysical energy centers) may note that jasper is believed to align all chakras simultaneously; jasper with prominent single colors may have particular benefits for the chakra aligned with that color (red with the first or root chakra, orange with the second, yellow with the third, and so on). The ancient Egyptians wore jasper scarabs as amulets as the stone was believed to increase sexual energy. According to the Bible, jasper was a direct gift from God and would be the first foundation stone of the New Jerusalem. Also, both Indians in Asia as well as Native Americans see jasper as a magical rain stone and also a powerful healing stone.