Yonaguni Blue Firefly Glass 12mm Glowing Bracelet Okinawa Yonaguni Island Inner Diameter 16cm [GOLD STONE] Approx.

Ships from Japan Diameter: Approximately 12mm (±1mm) Inner circumference: approximately 16cm (±5mm) *There may be a variation of ±1mm in the diameter of the grains. Thank you for your understanding. *It is a phosphorescent type that glows in the dark. Some of the photos were irradiated with a black light. Introducing firefly glass inspired by the sea and sky of Yonaguni Island♪ Its name is Yonaguni Blue. The bright gradation is so beautiful! The sea in Yonaguni is highly transparent, and the clear cobalt blue color is reproduced with firefly glass. Firefly glass is a glass bead with holes made using a molding technique called burner work, similar to dragonfly beads. ◆Size Diameter approximately 12mm (±1mm) *There may be a variation of ±1mm in the diameter of the grains. Thank you for your understanding. ◆Refreshing Yonaguni Blue Introducing firefly glass inspired by the sea and sky of Yonaguni Island♪ Its name is Yonaguni Blue. The bright gradation is so beautiful! The sea in Yonaguni is highly transparent, and the clear cobalt blue color is reproduced with firefly glass. Firefly glass is a glass bead with holes made using a molding technique called burner work, similar to dragonfly beads. Craftsmen melt each piece of colored glass and roll it into an iron core, then layer silver leaf on top of the melted glass like starch syrup, creating beautiful colors using a special technique. *It is a phosphorescent type that glows in the dark.