Get a taste ofMikia'sfounder - Aki Mitsubayashi - global adventures with the Heishi beads necklace. It's made from a mix of turquoise shell, bronzite and brown wood jasper, then fastened with a pukka shell clasp. Turquoise Shell, Bronzite, Brown Wood Jasper. Shell Button Clasp. Made in Japan. Approximate Dimensions: Chain Open 49cm. Color: white