Unique vintage strand of solid bismuth beads, a rare and unusual metal known for its non-magnetic, heavy feel and subtle iridescent sheen. This necklace features uniform round slightly graduated beads, strung in a classic style?likely dating from the mid-20th century or earlier. Bismuth is a brittle, dense metal with a warm, silvery-gray tone, sometimes used in experimental or artisan jewelry. Details: Material: Solid bismuth (non-magnetic, tested) Length: Approx. 32 inches Beads: 8 mm _ 5mm round Finish: Natural matte metallic luster Condition: Very good vintage condition; slight age patina This is a rare opportunity to own a strand of bismuth jewelry?a fascinating conversation piece for collectors of unusual minerals, science-inspired jewelry, or vintage materials. Material Testing Notes: Metal is non-magnetic (tested with neodymium magnet) Heavier than aluminum or pewter Not attracted to magnets Solid throughout?no plating or filler Identified as solid bismuth based on weight, finish, and non-ferrous properties Ships with care. Please feel free to ask questions or request more photos!