Obsidian is an earth-stone, activating the foundation chakra and grounding you as part of your link towards the Earth. It clears the aura of negative Electricity, and can be utilized for scrying. Considering that you will find many colour variants in coloured gems, We've structured this list about "foundation" hues https://remingtondczxs.bloggosite.com/37160469/gemstones-for-sale-things-to-know-before-you-buy