✾ Glass nuggets fired in an electric furnace. ✾ All are Ryukyu glass, flat on the back, and some have the bubble-like patterns characteristic of Ryukyu glass. ✾ Size: Approximately 7-22mm. ✾ All photos taken in natural light, with brightness adjusted only when dark, but appearance may vary depending on your device. ✾ For bulk purchases of nuggets, we offer a discount of 100 yen per piece, so please comment with the number starting with "g". ✾ Items listed at 55555 yen are sold out. We can take orders if we have the materials, so feel free to comment!