| Chevron Beads are special glass beads, originally | | | | red layers |
| made for trade in the New World and the slave | | | | Increasingly, dichroic glass is being used to |
| trade in Africa by glassmakers in Italy as far back | | | | produce high-end art beads. Dichroic glass has a |
| as the early 15th century. They are composed of | | | | thin film of metal fused to the surface of the |
| many consecutive layers of colored glass. The | | | | glass, resulting in a surface that has a metallic |
| initial core is formed in a star-shaped mold, and | | | | sheen that changes between two colors when |
| can have anywhere between five and fifteen | | | | viewed at different angles. Beads can be pressed, |
| points. The next layer of glass conforms to that | | | | or made with traditional lampworking techniques. |
| star shape. Several layers of glass can be applied | | | | The metal coating used was originally developed |
| (typically four to seven layers), either star-shaped | | | | by NASA for the space program. |
| or smooth. After all layers have been applied, the | | | | Other beads considered trade beads are those |
| glass is drawn out to the desired thickness and | | | | made in West Africa, by and for Africans, such |
| when cooled, cut into short segments showing | | | | as Mauritanian Kiffa beads, and Ghanaian and |
| the resulting star pattern at their ends. The ends | | | | Nigerian powder glass beads . Other ethnic beads |
| can be ground to display the chevron pattern. | | | | include Tibetan Dzi beads and African-made brass |
| Chevron beads are traditionally composed of red, | | | | beads. Rudraksha beads are seeds that are |
| blue, and white layers, but modern chevrons can | | | | customary in India for making Buddhist and Hindu |
| be found in any color combination. Original beads | | | | rosaries (malas). Magatama are traditional |
| made for trade to the New World and Africa | | | | Japanese beads, and cinnabar was often used for |
| were typically composed of green, white, blue and | | | | beads in China. |