A black obsidian is a true protection stone. It's provides strong psychic protection. The metaphysical property of this stone is that is protects you from negative energy. They're believed to help you become more grounded, focused + clear in all practical matters. It is also known to be a truth - enhancer.
Each single piece ranges in size from 2 inches to 4 inches.
Weight ranges from 200-300grams.
Origin of this black obsidian is Brazil.