Adjustable Clasp - A clasp with a short length of chain that allows the wearer to vary the necklace length by attaching the clasp into different links of the chain. Can include Hook-and-Eye and Lobster Claw Clasp styles.
Aurora Borealis (AB) - Named for the northern lights, aurora borealis is a term for crystal stones that have a highly iridescent surface. The effect is achieved by vapor blasting the facets of the lower part of the crystals with an invisible, micro thin metal sheet. This stone was created by Swarovski in 1955 in collaboration with Christian Dior. Also known as AB, the term now refers to any highly iridescent surface.
Aurora Borealis 2X (AB2X) - The AB2X surface effect has two times the coating of the AB effect, covering the entire crystal. The iridescent rainbow effect is seen on all sides, producing the utmost sparkle.
Backstitch - A type of embroidery, sewing and needlework stitch where individual stitches are created in the opposite direction to the direction of the seam. Backstitch is usually utilized to outline shapes, add fine detail or embellish particular parts of a needlework project.
Bakelite™ - The trademarked name for synthetic resins and plastics developed by a US chemist. Jewelry pieces made of Bakelite, especially with animal and fruit motifs, were extremely popular in the US in the 1930s and are now considered collectors items. Though still a highly specialized category, Bakelite has had something of a renaissance in this country in recent years.
Bangle - An inflexible circular bracelet, often narrow in width. Some styles may be hinged, however most bangles have no clasp and must be slipped over the hand to be worn. It can be made of metal, wood, glass, plastic or other materials.