The Meaning Behind Amethyst Lace Agate: Unraveling Its Mysteries The chalcedony group of stones, which is thereafter a part of the quartz family, includes amethyst lace agate. Amethyst lace agate is an exquisite multicolored gemstone consisting of powerful gemstones such as agate and amethyst.This stone combines agate with amethyst to create a stunning combination of colors. Amethyst ranges in hue from a deep, dark purple to an almost pure white at times. Agate, on the other hand, has a banded pattern that is frequently see-through. Purple tones with white stripes are common for amethyst lace agate, while it can also infrequently have pink, blue, or other hues.