Turritella agate 10.5-12.5mm rondelle beads (ETB00338)
Turritella Agate is a variety of Chalcedony, a mineral of the Quartz family. It is rich, earthy brown or black, and recognized by the sea creature and fossilized snail patterns within the stone, or in a thick coating around it.
Dimensions of beads:
Size: 12 x 7.5 x 12 mm
- this is only an approximate, the size varies slightly.
Length: 16 inches