Rough Obsidian 

Obsidian is a naturally occurring volcanic glass formed in swiftly cooling lava. Color in obsidian varies, depending on impurities in the parent lava formation.

For years, Mail Order Gems has provided thousands of loose-faceted gemstone lots. Our team makes it a priority to provide exemplary service and maintain total customer satisfaction. Whether you’re interested in rock tumbling, wire wrapping, rock collecting, or crystal healing, Mail Order Gems has you covered.