Turquoise Flat Slab Spiderweb Beads Natural Genuine 18mm-40mm (Qty=3) These are 3 Turquoise beads smooth flat spiderweb beads 18mm to 40mm high, 13mm-25mm wide, 5mm thick, sizes vary Drilled the short way at the narrower end Natural genuine Turquoise; blue and blue-green colors Turquoise mines closed, factories closed, no more Turquoise production.