[GOLD STONE] Yonaguni Blue Firefly Glass 10mm Glowing Bracelet from Yonaguni Island, Okinawa, Inner Diameter: Approx. 16.5cm

Diameter: Approximately 10mm (±1mm) Inner circumference: Approximately 16.5cm (±5mm) *There may be a ±1mm variation in bead diameter. Thank you for your understanding. *This is a phosphorescent type that glows in the dark. Some of the photos have been lit with a black light. Introducing firefly glass inspired by the sea and sky of Yonaguni Island♪ It's called Yonaguni Blue. The vivid gradation is very beautiful! The sea of ​​Yonaguni is very transparent, and this clear cobalt blue has been reproduced in firefly glass. Firefly glass is a glass bead with a hole made using a molding technique called burner work, just like glass beads.