Blue Lace Agate is a naturally occuring soft blue agate, laced with bands or swirls of brighter blue, periwinkle, white and occasionally gray or brown. It is one of the most rare and sought after forms of Agate. Agate is one of many varieties of banded Chalcedony, prized throughout history for its beautiful colors and patterns. It has been discovered with artifacts from cultures of the Neolithic Period, also known as the Stone Age, occuring 10,000 years ago. Mexican Laguna Lace Agate is one of the most prized agates in the world. It is a variety of banded Chalcedony with layers that may contain scarlet, deep red, milky white, gray, yellow, gold and brown. It is found only in a four square mile area in a remote mountain range of Chihuahua, Mexico. Beads: Round 4mm (Blue) - 40cm strand Round 4mm (Mexican Laguna) - 49 pieces Square 12mm (Mexican Laguna - 16 pieeces Pendant: Oval 10mm x 10mm - 1 piece Oval 30mm x 40mm - 1 piece Tooth 15mm x 20mm - 1 piece