Check the listing for details. GIANT Black Obsidian Stones Large Raw Healing Crystals Natural Lapidary Rocks. Condition: New. Listed at 22.50 USD. This is for 1 piece of Large chunk of Black Obsidian imported from Mexico. Hand-sorted and carefully selected. Comes in 5 weight ranges: 1 LB to 2 LBS2 LBS to 3 LBS3 LBS to 4 LBS4 LBS to 5 LBS5 LBS to 6 LBS Stunning piece perfect for lapidary projects, aid for crystal healing or as home decor. Black Obsidian is a powerful stone for grounding and protection. It is very good to use in removal of negative energy of a person or space. This large chunk is sure to provide you and your space protection. *Please be extra careful taking these out of the packaging. Some edges are sharp. *Since these stones are made by Mother Nature herself, please allow variations in shapes and shade of color. * Please note that Crystals and Stones are not meant to replace science-based medicine. They are meant to complement it to provide holistic approach to well-being.This is for 1 piece of Large chunk of Black Obsidian imported from Mexico. Hand-sorted and carefully selected. Comes in 5 weight ranges: 1 LB to 2 LBS2 LBS to 3 LBS3 LBS to 4 LBS4 LBS to 5 LBS5 LBS to 6 LBS Stunning piece perfect for lapidary projects, aid for crystal healing or as home decor. Black Obsidian is a powerful stone for grounding and protection. It is very good to use in removal of negative energy of a person or space. This large chunk is sure to provide you and your space protection. *Please be extra careful taking these out of the packaging. Some edges are sharp. *Since these stones are made by Mother Nature herself, please allow variations in shapes and shade of color. * Please note that Crystals and Stones are not meant to replace science-based medicine. They are meant to complement it to provide holistic approach to well-being.