As for luminous gemstone, it is man-made gemstone, which is made from quartz (ceramic) and photoluminescent pigment. It can absorb light and glow in the dark for several hours. based on afterglow color, there is mainly yellow-green and blue-green color. we can provide diameter 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 20mm, 22mm. All above have a hole in the bead center. more bigger diameter, such as 30mm, 40mm, 50mm can also be produced, but there is no hole in the center. the price is different with various diameter . As usual, we provide the product with single bead, you can make a string bracelet yourself. If you want a bracelet directly, please inform us the diameter and how many beads you need in a string bracelet so that we can quote you. Please check the attached file for some of the products specification at first. if you have interest in such products, please inform us which diameter, what quantity and afterglow color you need so that we can quote you.
