Heart Natural & Synthetic Mixed Gemstone Bead Strands, Mixed Dyed and Undyed, Size: about 6.5mm wide, 6mm long, 3~3.5mm thick, hole: 0.6mm, about 72pcs/strand, 14.69~15''(37.3~38.1cm).âPlease Note: These gemstones may include Natural African Turquoise & Green Aventurine & Strawberry Quartz & Amethyst, Opalite & Synthetic Goldstone & Blue Goldstone and so on(as the picture shows). But as it is a mixed product, the stone type is delivered randomly, please refer to the actual product delivered.