Blue amber beads from Sumatra (natural amber). This is a set of two high-quality beads with a beautiful cognac brown color. They fluoresce a beautiful blue color when exposed to a black light. The last image shows the beads under a black light. The fluorescence is even more vibrant in the dark. *These are natural amber beads, not composite or synthetic. [Size] Approximately 12mm [Hole Size] Approximately 0.5mm ☆Product of Indonesia / Sumatra Island [Management Number] SB_12_10 #SumatraBlueAmber #BlueAmber #BlueAmber #NaturalAmber #Gemstone #12mm #12millimeters #Beads