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“Specially shaped stones express the powers of the Earth in special ways and should be treasured. Stones with natural holes in them grant wishes and should be hung up in a garden. Stones with faces are said to contain gnomes—powers of the Earth—and can be planted in the garden and asked for help. They are said to help heal ill plants.”

–The Magical Garden: Spells, Charms, and Lore for Magical Gardens and the Curious Gardeners Who Tend Them by Sophia Sargent