This listing is for the set of 15 raw Shungite pieces pictured above, including the black velvet pouch for carrying. Together they weigh 50 grams. They measure to about 1/2 inches long, 1/4 inches wide and 1/4" thick. Ready to enjoy or inspire something of your own creation. Perfect for making Crystal grids or charging/cleansing water. Be sure to clean with baking soda and water before putting in your water. Shungite is over 2 billion years old and only found in the Karelia area in Russia. Place shungite in your water....it attracts and neutralizes waterborne contaminants. Shungite has been used commercially in Russia as a water purification since the 1990s. Among the list of contaminants it will remove are: bacteria (and other microbes), nitrates, heavy metals, pesticides, volatile organics, pharmaceuticals, chlorine, and fluoride. Shungite water is known for its antioxidant effects. "Shungite cures, rescues, purifies, heals, protects, normalizes, restores and even stimulates the growth. Amazing rock: it kills and devours anything that harms people and other living beings, and concentrates and restores all that is good. The scholars who have studied shungite in one voice declare, it is a miracle! " -From the book by A. Doronina "Shungite - the stone-savior"