Satyamani Natural Black Obsidian Gemstone Doughnut is made from natural Obsidian. It is believed to be a stone of purification, transformation, and manifestation. It is thought to aid digestion, detoxify, and reduce arthritis. Obsidian is actually natural glass that is formed when hot lava is submerged in water. This is a strong grounding stone and is known as "the protector". It is said to "mirror one's soul. This stone brings about objectivity, detachment and grounding. It reduces fantasy and escapism. Absorbs and dissolves anger, criticism, fear, and therefore is protective. This unusual black stone absorbs darkness and converts it to white light energy. It is a warm and friendly stone, which is used at the Root Chakra, encouraging ones survival instincts and is grounding. Black obsidian brings higher Chakra light into lower ones; cleanses and uplifts. Changes fear into flexibility with the advent of change. (Rest of the details will send you along with the product) note: these are natural stones so there may be the difference in color and in drawing of the stone as per their occurrence in the nature. The stones have grains in them which are due to their crystal structure. These are natural stones so they are not completely finished some cracks and holes are there due to the variation of hardness in stones. You will get 100% similar product as per the availability in the stock.