Mixed Rock Crystal Bead Necklace. Middle East, II-I Mil BC. Rock crystal spindle-shaped beads strung with green quartz (prasiolite) polished natural beads and polished agate beads; restrung with modern clasp. 20.5" long. These rock crystal and prsiolite beads are very rare. Sold with matching pair of earrings made with modern hooks. A museum piece.