With a little care, peridot will make a fine gemstone for jewelry. - © GIA & Tino Hammid, courtesy 23rd St. Shoppe, Santa Monica Hardness and toughness Gem and ...

Each year basalt-topped Peridot Mesa, on the San Carlos Apache Reservation, is a major source for thousands of carats of gem-quality peridot in sizes suitable for use in modern jewelry. Marketed ...