Sunstone is not enhanced. The process of making aventurine glass was invented in Venice, Italy, around 1700. This colors of this stone include red-brown, yellow, gray, and green. Aventurine quartz has a hardness of 7 and a specific gravity of 2.64-2.69. This stone is usually cut with a flat or rounded surface to maximize its sparkle.
Aventurine quartz is found in India, Russia, and Tanzania.
The Avon cosmetics company also produced many lines of jewelry, beginning in the 1970's. Avon jewelry includes figurals, perfume-holding pins, watches, and standard items of costume jewelry. Many people collect Avon items. The Avon flower pin above has a faux coral flower. It has both transparent and translucent varieties.