Lampworked Glass - (also lampwork glass, lampworking, flameworking or torchworking) A type of glasswork, commonly seen in beads or focal components, which uses a gas-fueled torch to melt glass rods and tubes of glass to create patterns and designs.
Liquid Silver/Liquid Gold - A group of identical silver (or gold) tube beads strung in an uninterrupted group of strands. The multi-strand jewelry created this way gives the appearance of flowing or liquid metal.
Liver of Sulfur™ - A sulfur based oxidizing agent, used to create an antiqued finish on silver, copper and brass beads and components. Metals treated with this agent are given a blackened, vintage-style finish which is used to accentuate details and textures in bead and component surfaces.
Lobster Claw Clasp - A self-closing clasp in the general shape of a lobster's claw. However, this spring-loaded clasp is available in a range of shapes, sizes and styles. Suited for lightweight to medium weight designs, however, some larger styles can accommodate larger and heavier pieces. The lobster claw can be used in Crimp Clasp, Multi-Strand Clasp and Swivel Clasp styles.
Loop-Closing Pliers - A pair of pliers with an internal groove, allowing for the curvature of different sizes of loops. These pliers are used to smoothly close loops, jumprings, bracelet links and more without distortion, bending or scratching.
Lost Wax Casting - A process of casting wherein a wax model is encased in an investment, which is agitated mechanically or put into a vacuum to remove air bubbles. After the wax is burned off in an oven, a cavity remains, which is filled with molten metal through an opening. The investment is broken away from the hardened metal, which is then ready for polishing or ornamentation. For large scale production, numerous identical wax models are made by pouring molten wax into a rubber mold.
Luster - (also called lustre) A description of how light interacts with the surface of a material. Originally applied to gemstones such as the pearl or opal. The use of luster/lustre has been expanded to indicate a glossy sheen on other materials such as glass.