Obsidian kneeling goddess

used as weapon/tools date as far back as 7,000 years ago. Obsidian was highly valued in the ancient world for arrowheads and blades as they were easily able to be worked with, yet very durable.  Obsidian’s most interesting fact about its past usage is that it was polished for the sole purpose of being used as early mirrors before glass was established.  Obsidian is truth-enhancing.  A strongly protective stone, it forms a shield against negativity