Obsidian!!! This very sharp Crystal is the naturally occurring volcanic glass, formed when lava from the volcano cools rapidly. It’s a very interesting stone and hold lots of beneficial qualities 🖤 We have plenty in stock and these ones are priced at $3-$10 a piece #crystalvibes #crystalmagic #crystallove #crystalenergy #crystalcollection #crystalshop #crystal #crystals #crystalgems #gems #energy | Crystal World Exhibition Centre