Inner diameter 17 cm This is an Aurora Quartz with a very beautiful inclusion of limonite and goethite. Aurora Quartz is a natural stone said to enhance self-expression, attract luck and people, and bring positive feelings. The mystical rainbow light is said to purify negative energy and prepare the owner for optimal performance, thereby drawing out the owner's potential, making it a recommended amulet for realizing dreams and wishes. Aurora Quartz is said to be the greatest healing stone because it not only awakens the owner's latent abilities but also provides healing. It is also said to provide healing while replenishing energy, and is considered a versatile power stone and natural stone. It is said to be of very high rarity, and it is also said that it can no longer be obtained at present, so the price will continue to rise. This is a natural, untreated Aurora Quartz. #NaturalStone #PowerStone #AuroraQuartz #HealingStone #Amulet