Mystical obsidian point

We have this beautiful, mystical obsidian point.  Engraved with the planets, and other magical symbols, it measures approximately 10cm in height and weighs 104g. 
Obsidian is a highly-regarded protective stone, known for its ability to block, absorb, and transform negative energy. Obsidian is believed to be a stone of clarity, with the ability to release emotional, physical, and spiritual blockages, drawing out stress and tension.