One Mahogany Obsidian Tumbled Stone 15-20mm Reiki Healing Stone Psychic Attack This is a listing for one tumbled stone, selected from the lot shown. These stones vary in shape/size/color. Please allow for variation. Size: 15-20mm measured along longest side. Chakra: Sacral, Root Element: Earth Astrological Sign: Libra Number: Vibrates to #4 Metaphysical: Useful with dreamwork Enhances Sexuality/sensuality Grounds Cleanses Sacral Chakra of negative energies and residue from old wounds Use in a body layout to draw out poison of unconscious memories of shame and humiliation or abuse, and release into Light Remove negative psychic implants Shields one from psychic attack These are natural stones and vary somewhat in shape/color/size. Healing crystals are not typically of gem or jewelry grade quality. Some stones may have fractures or small imperfections. These special crystals are even more empathetic to our needs and can be very helpful in healing emotional trauma or deep seated feelings that have been repressed. Please take this into account when you receive your stones. We consider the stones "Stone Beings" and show gratitude to these special beings when we ship them out. Our intuitive Crystal Empaths hand select the crystals which go out with each order. Please allow our staff to pick out the best crystals for your use! Now you can save even more money by taking advantage of our heavily discounted multiple discounts! This is great for people working with grids or with Reiki use.