Agate is endlessly varied, a banded chalcedony quartz found in blues, greens, pinks and earthy tones, often with beautiful natural layers. From blue lace to crazy lace, no two pieces are alike. Shop agate bracelets, slices, tumbled stones and pendants, all genuine and hard-wearing. Free UK delivery over £30.

Learn more in our Agate guide and water-safe crystals guide, or browse crystal bracelets, necklaces and crystal gifts.