Obsidian is surely an earth-stone, activating the root chakra and grounding you in your relationship on the Earth. It clears the aura of damaging Power, and will also be employed for scrying. In very uncommon situations tourmaline is found in blue shade, most famed becoming Paraiba tourmaline and indicolite tourmaline. https://gemstonesseries08518.blogofchange.com/31067310/gemstones-and-crystals-secrets