Fish Tank Stones, Healing Crystals Natural Raw Stones Fish Tank Decor Science Teaching 2-3cm 500-1000g(2-3cm500g)

They are also ideal decorations for fish tanks, which can improve the ornamental value of fish tanks and provide a more natural and harmonious living environment for fish. Because natural crystals have certain natural healing abilities, they are often used to form witchcraft rituals, chakra energy healing, meditation, etc. These mineral specimens are not only exquisite decorations, but also vivid popular science teaching materials! They are suitable for display in schools, museums or home study rooms as popular science exhibits of geology and gemology, helping people better understand and know the natural world. Widely used as indoor and outdoor decorative stones and pebbles. Note: Dust may occur during transportaion, rinse the stones with water to remove the dust before first time using