Few places on earth have the geological conditions needed to produce the coveted May birthstone. Learn about the history of emeralds and the exotic locations where emeralds can be found. Pearl, ...

Birthstone rings hold deep meaning. These elegant pieces of jewelry represent personal identity, emotions, and cherished memories. Each gemstone is linked to a specific month, making birthstone rings ...

Figure 1. This alexandrite cabochon appears brownish green in fluorescent light (left) and brownish purple in incandescent light (right). The cabochon shows chatoyancy under both forms of illumination ...