5-7mm Iolite Square Heishis 16 inch 180 pieces Type_Opal Beads measure between 12mm and

Beads measure between 12mm and 8mm on a graduated strand

Each bead is well-made

Beads measure 19mm to 33mm in length

Beads measure about 20x11mm to 29x13mm

Beads average 10x6mm

5-7mm Iolite Square Heishis 16 inch 180 pieces Type_Opal Beads measure between 12mm andBeads range from about 5mm to 7mm in diameter. These smooth polished, plain square heishi shapes show off sleek bodies that fit together wonderfully. Expect a very dark, largely Indigo color palette across translucent and cloudy bodies with tons of tan and gray pleochroism evident. These fine Iolite beads are a fantastic example of the gemstone's signature color shift effect!