grandidierite and gold bracelet
Grandidierite Bracelet with an 18k gold bead, Ethiopian Opal and Gold Filled Clasp.
Grandidierite is a rare mineral that was first discovered in 1902 in southern Madagascar. The mineral was named in honor of French explorer Alfred Grandidier who studied the natural history of Madagascar.
7.5 on the MOHS hardness scale (Diamond being 10 and hardest)
Bead Diameter: 3mm