Jasper

Published: June 20, 2007

Types: Jasper gets its name from the Greek word iaspis, which means "spotted stone." Jasper and agate are both varieties of chalcedony, but jasper is typically opaque red, brown, or green with irregular patterns. (Agates tend to be translucent or have translucent banding.) Many jaspers are named after their patterns (e.g., African map jasper, leopard skin jasper, poppy jasper).

History: Jasper is believed to have a range of powers, from bringing rain to alleviating
stomach and gynecological problems. Different jaspers have different metaphysical properties according to their coloring and patterns. The stone has long been used in vases and mosaics as well as in jewelry. It's also an alternative birthstone for March.

Origins: Egypt, Madagascar, France, Germany, Russia, India, Canada, and the United States are major sources.

Treatments: In its natural state, jasper has a dull finish. After polishing, it's often sealed with petroleum.

Availability: Jasper is one of the most affordable gemstones. You can find strands for just a few dollars.

Care: Avoid using water or chemicals, which may wear away jasper's polish. Instead, clean it with a soft, dry cloth.