Impressive size collection of untreated Tibetan / Himalayan turquoise beads purchased directly from Tibetan refugees in Dharmsala during the 1960's. Later assembled into this magnificent necklace in the 70's or 80's by a world class ancient bead collector. Details on precise provenance available upon request. Total weight of necklace is 226 grams; size of largest bead is about 50mm x 32mm x 12mm and 50mm x 45mm x 12mm. Smaller beads 15mm x 12mm x 7mm. Smallest bead on entire necklace is 10mm x 11mm x 9mm. Amber bead is 35mm x 27mm x 9mm. Small chip on back of Amber bead. Turquoise beads are all intact with antique use polish to any imperfections. No breaks or repairs.