Black Coral, as with all corals are becoming endangered, Soon these will all disappear into collections and become harder to find. The beads are cross slices of coral and show the lovely rings inside much like trees. Bracelet measures 8-1/4" long and weighs 7.5 grams. The 14 beads average in size from 6.5mm x 8.25mm to 15.25mm x 10.3mm and are about 4mm thick. Nicely made and in the best condition.