These are Natural Turritella Agate Square Gemstone beads.
The name Turritella comes from the Latin word “turritus,” meaning “turreted” or “towered, Gemstone. Amazing Gems. As with most Gemstone this offers a powerful power of wisdom and healing.
Size: 6mm.
Hole Size: 1mm
length of the strand: 8 inches long
Shape: Square
Approx: 30 beads